diff --git a/BuildingCoder/BuildingCoder/CmdAnalyticalModelGeom.cs b/BuildingCoder/BuildingCoder/CmdAnalyticalModelGeom.cs
index 4681cdb..2f10ba5 100644
--- a/BuildingCoder/BuildingCoder/CmdAnalyticalModelGeom.cs
+++ b/BuildingCoder/BuildingCoder/CmdAnalyticalModelGeom.cs
@@ -2,7 +2,7 @@
 //
 // CmdAnalyticalModelGeom.cs - retrieve analytical model geometry
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdAzimuth.cs b/BuildingCoder/BuildingCoder/CmdAzimuth.cs
index 9766474..98429fe 100644
--- a/BuildingCoder/BuildingCoder/CmdAzimuth.cs
+++ b/BuildingCoder/BuildingCoder/CmdAzimuth.cs
@@ -3,7 +3,7 @@
 // CmdAzimuth.cs - determine direction
 // of a line with regard to the north
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdBim360Links.cs b/BuildingCoder/BuildingCoder/CmdBim360Links.cs
index 158d691..775a36e 100644
--- a/BuildingCoder/BuildingCoder/CmdBim360Links.cs
+++ b/BuildingCoder/BuildingCoder/CmdBim360Links.cs
@@ -2,7 +2,7 @@
 //
 // CmdBim360Links.cs - retrieve and list BIM360 linked models
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdBoundingBox.cs b/BuildingCoder/BuildingCoder/CmdBoundingBox.cs
index b96ae17..064af6a 100644
--- a/BuildingCoder/BuildingCoder/CmdBoundingBox.cs
+++ b/BuildingCoder/BuildingCoder/CmdBoundingBox.cs
@@ -2,7 +2,7 @@
 //
 // CmdBoundingBox.cs - eplore element bounding box
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdBrepBuilder.cs b/BuildingCoder/BuildingCoder/CmdBrepBuilder.cs
index 84ce1f0..e2ff909 100644
--- a/BuildingCoder/BuildingCoder/CmdBrepBuilder.cs
+++ b/BuildingCoder/BuildingCoder/CmdBrepBuilder.cs
@@ -2,7 +2,7 @@
 //
 // CmdBrepBuilder.cs - create DirectShape using BrepBuilder and Boolean difference
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCategories.cs b/BuildingCoder/BuildingCoder/CmdCategories.cs
index 67835ac..f372b4b 100644
--- a/BuildingCoder/BuildingCoder/CmdCategories.cs
+++ b/BuildingCoder/BuildingCoder/CmdCategories.cs
@@ -2,7 +2,7 @@
 //
 // CmdCategories.cs - list document and built-in categories
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCategorySupportsTypeParameter.cs b/BuildingCoder/BuildingCoder/CmdCategorySupportsTypeParameter.cs
index 66114cb..4c98ce7 100644
--- a/BuildingCoder/BuildingCoder/CmdCategorySupportsTypeParameter.cs
+++ b/BuildingCoder/BuildingCoder/CmdCategorySupportsTypeParameter.cs
@@ -3,7 +3,7 @@
 // CmdCategorySupportsTypeParameter.cs - Boolean predicate to 
 // determine whether a given category supports type parameter
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdChangeElementColor.cs b/BuildingCoder/BuildingCoder/CmdChangeElementColor.cs
index 09033d6..87a214c 100644
--- a/BuildingCoder/BuildingCoder/CmdChangeElementColor.cs
+++ b/BuildingCoder/BuildingCoder/CmdChangeElementColor.cs
@@ -4,7 +4,7 @@
 //
 // Also change its category's material to a random material
 //
-// Copyright (C) 2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2020-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdChangeLinkedFilePath.cs b/BuildingCoder/BuildingCoder/CmdChangeLinkedFilePath.cs
index e093611..0132c20 100644
--- a/BuildingCoder/BuildingCoder/CmdChangeLinkedFilePath.cs
+++ b/BuildingCoder/BuildingCoder/CmdChangeLinkedFilePath.cs
@@ -2,7 +2,7 @@
 //
 // CmdChangeLinkedFilePath.cs - change linked RVT file path
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCloseDocument.cs b/BuildingCoder/BuildingCoder/CmdCloseDocument.cs
index 781b156..88719de 100644
--- a/BuildingCoder/BuildingCoder/CmdCloseDocument.cs
+++ b/BuildingCoder/BuildingCoder/CmdCloseDocument.cs
@@ -2,7 +2,7 @@
 //
 // CmdCloseDocument.cs - close active document by sending Windows message
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs b/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs
index 5fe6379..690ab3c 100644
--- a/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs
+++ b/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs
@@ -2,7 +2,7 @@
 //
 // CmdCollectorPerformance.cs - benchmark Revit 2011 API collector performance
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdColumnRound.cs b/BuildingCoder/BuildingCoder/CmdColumnRound.cs
index fe81d36..d7da06e 100644
--- a/BuildingCoder/BuildingCoder/CmdColumnRound.cs
+++ b/BuildingCoder/BuildingCoder/CmdColumnRound.cs
@@ -3,7 +3,7 @@
 // CmdColumnRound.cs - determine whether a
 // selected column instance is cylindrical
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCoordsOfViewOnSheet.cs b/BuildingCoder/BuildingCoder/CmdCoordsOfViewOnSheet.cs
index 4f44b69..bcd3c35 100644
--- a/BuildingCoder/BuildingCoder/CmdCoordsOfViewOnSheet.cs
+++ b/BuildingCoder/BuildingCoder/CmdCoordsOfViewOnSheet.cs
@@ -2,7 +2,7 @@
 //
 // CmdCoordsOfViewOnSheet.cs - retrieve coordinates of view on sheet
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCopyWallType.cs b/BuildingCoder/BuildingCoder/CmdCopyWallType.cs
index a6f3896..2fdf6bb 100644
--- a/BuildingCoder/BuildingCoder/CmdCopyWallType.cs
+++ b/BuildingCoder/BuildingCoder/CmdCopyWallType.cs
@@ -2,7 +2,7 @@
 //
 // CopyWallType.cs - duplicate a system type from on project to another to partially transfer project standards
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCreateGableWall.cs b/BuildingCoder/BuildingCoder/CmdCreateGableWall.cs
index 0ae59c2..16cb36c 100644
--- a/BuildingCoder/BuildingCoder/CmdCreateGableWall.cs
+++ b/BuildingCoder/BuildingCoder/CmdCreateGableWall.cs
@@ -2,7 +2,7 @@
 //
 // CmdCreateGableWall.cs - create gable wall specifying non-rectangular wall profile
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCreateLineStyle.cs b/BuildingCoder/BuildingCoder/CmdCreateLineStyle.cs
index ceea2df..ebedb41 100644
--- a/BuildingCoder/BuildingCoder/CmdCreateLineStyle.cs
+++ b/BuildingCoder/BuildingCoder/CmdCreateLineStyle.cs
@@ -2,7 +2,7 @@
 //
 // CmdCreateLineStyle.cs - create a new line style using NewSubcategory
 //
-// Copyright (C) 2016-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2016-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdCreateSharedParams.cs b/BuildingCoder/BuildingCoder/CmdCreateSharedParams.cs
index 7499da1..c7a824f 100644
--- a/BuildingCoder/BuildingCoder/CmdCreateSharedParams.cs
+++ b/BuildingCoder/BuildingCoder/CmdCreateSharedParams.cs
@@ -4,7 +4,7 @@
 // parameter for the doors, walls, inserted DWG,
 // model groups, and model lines.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCreateSlopedSlab.cs b/BuildingCoder/BuildingCoder/CmdCreateSlopedSlab.cs
index 27299ae..5a5cc19 100644
--- a/BuildingCoder/BuildingCoder/CmdCreateSlopedSlab.cs
+++ b/BuildingCoder/BuildingCoder/CmdCreateSlopedSlab.cs
@@ -2,7 +2,7 @@
 //
 // CmdSlopedFloor.cs - create a sloped floor
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCropToRoom.cs b/BuildingCoder/BuildingCoder/CmdCropToRoom.cs
index 5cb0436..fb7369c 100644
--- a/BuildingCoder/BuildingCoder/CmdCropToRoom.cs
+++ b/BuildingCoder/BuildingCoder/CmdCropToRoom.cs
@@ -2,7 +2,7 @@
 //
 // CmdCropToRoom.cs - set 3D view crop box to room extents
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdCurtainWallGeom.cs b/BuildingCoder/BuildingCoder/CmdCurtainWallGeom.cs
index e460943..0906ddd 100644
--- a/BuildingCoder/BuildingCoder/CmdCurtainWallGeom.cs
+++ b/BuildingCoder/BuildingCoder/CmdCurtainWallGeom.cs
@@ -2,7 +2,7 @@
 //
 // CmdCurtainWallGeom.cs - retrieve curtain wall geometry
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDeleteMacros.cs b/BuildingCoder/BuildingCoder/CmdDeleteMacros.cs
index 810b122..5c1a2ba 100644
--- a/BuildingCoder/BuildingCoder/CmdDeleteMacros.cs
+++ b/BuildingCoder/BuildingCoder/CmdDeleteMacros.cs
@@ -2,7 +2,7 @@
 //
 // CmdDeleteMacros.cs - retrieve MacroManager and delete all macros
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdDeleteUnusedRefPlanes.cs b/BuildingCoder/BuildingCoder/CmdDeleteUnusedRefPlanes.cs
index f42401e..1a2896e 100644
--- a/BuildingCoder/BuildingCoder/CmdDeleteUnusedRefPlanes.cs
+++ b/BuildingCoder/BuildingCoder/CmdDeleteUnusedRefPlanes.cs
@@ -2,7 +2,7 @@
 //
 // CmdDeleteUnusedRefPlanes.cs - delete unnamed non-hosting reference planes
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2014-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdDemoCheck.cs b/BuildingCoder/BuildingCoder/CmdDemoCheck.cs
index fc7b371..7f18c29 100644
--- a/BuildingCoder/BuildingCoder/CmdDemoCheck.cs
+++ b/BuildingCoder/BuildingCoder/CmdDemoCheck.cs
@@ -2,7 +2,7 @@
 //
 // CmdDemoCheck.cs - Check whether the running Revit application is a demo version
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdDetailCurves.cs b/BuildingCoder/BuildingCoder/CmdDetailCurves.cs
index 982a3d2..d5541a0 100644
--- a/BuildingCoder/BuildingCoder/CmdDetailCurves.cs
+++ b/BuildingCoder/BuildingCoder/CmdDetailCurves.cs
@@ -2,7 +2,7 @@
 //
 // CmdDetailCurves.cs - create detail curves
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDimensionInstanceOrigin.cs b/BuildingCoder/BuildingCoder/CmdDimensionInstanceOrigin.cs
index 4adb25f..c964786 100644
--- a/BuildingCoder/BuildingCoder/CmdDimensionInstanceOrigin.cs
+++ b/BuildingCoder/BuildingCoder/CmdDimensionInstanceOrigin.cs
@@ -2,7 +2,7 @@
 //
 // CmdDimensionInstanceOrigin.cs - create dimensioning between the origins of family instances
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik,
+// Copyright (C) 2014-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDimensionWallsFindRefs.cs b/BuildingCoder/BuildingCoder/CmdDimensionWallsFindRefs.cs
index 8a86c9a..6d7096a 100644
--- a/BuildingCoder/BuildingCoder/CmdDimensionWallsFindRefs.cs
+++ b/BuildingCoder/BuildingCoder/CmdDimensionWallsFindRefs.cs
@@ -3,7 +3,7 @@
 // CmdDimensionWallsFindRefs.cs - create dimensioning elements
 // between opposing walls using FindReferencesByDirection
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdDimensionWallsIterateFaces.cs b/BuildingCoder/BuildingCoder/CmdDimensionWallsIterateFaces.cs
index 1412411..b1d2755 100644
--- a/BuildingCoder/BuildingCoder/CmdDimensionWallsIterateFaces.cs
+++ b/BuildingCoder/BuildingCoder/CmdDimensionWallsIterateFaces.cs
@@ -3,7 +3,7 @@
 // CmdDimensionWallsIterateFaces.cs - create dimensioning elements
 // between opposing walls by iterating over their faces
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdDisallowJoin.cs b/BuildingCoder/BuildingCoder/CmdDisallowJoin.cs
index 07f44be..c189ca2 100644
--- a/BuildingCoder/BuildingCoder/CmdDisallowJoin.cs
+++ b/BuildingCoder/BuildingCoder/CmdDisallowJoin.cs
@@ -2,7 +2,7 @@
 //
 // CmdDisallowJoin.cs - allow or disallow join at wall ends
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDocumentVersion.cs b/BuildingCoder/BuildingCoder/CmdDocumentVersion.cs
index 1a8e8b8..d781731 100644
--- a/BuildingCoder/BuildingCoder/CmdDocumentVersion.cs
+++ b/BuildingCoder/BuildingCoder/CmdDocumentVersion.cs
@@ -2,7 +2,7 @@
 //
 // CmdDocumentVersion.cs - list DocumentVersion data, i.e. document GUID and save count
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik,
+// Copyright (C) 2014-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDuplicateElements.cs b/BuildingCoder/BuildingCoder/CmdDuplicateElements.cs
index 1df547d..96f9180 100644
--- a/BuildingCoder/BuildingCoder/CmdDuplicateElements.cs
+++ b/BuildingCoder/BuildingCoder/CmdDuplicateElements.cs
@@ -2,7 +2,7 @@
 //
 // CmdDuplicateElement.cs - duplicate selected elements
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdDutAbbreviation.cs b/BuildingCoder/BuildingCoder/CmdDutAbbreviation.cs
index e7d73f4..cc65ed0 100644
--- a/BuildingCoder/BuildingCoder/CmdDutAbbreviation.cs
+++ b/BuildingCoder/BuildingCoder/CmdDutAbbreviation.cs
@@ -2,7 +2,7 @@
 //
 // CmdDutAbbreviation.cs - Test the display unit type abbreviation array
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdEditFloor.cs b/BuildingCoder/BuildingCoder/CmdEditFloor.cs
index 6de2832..9e9baed 100644
--- a/BuildingCoder/BuildingCoder/CmdEditFloor.cs
+++ b/BuildingCoder/BuildingCoder/CmdEditFloor.cs
@@ -2,7 +2,7 @@
 //
 // CmdEditFloor.cs - read existing floor geometry and create a new floor
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdElevationWatcher.cs b/BuildingCoder/BuildingCoder/CmdElevationWatcher.cs
index aaf726f..e6a7ba8 100644
--- a/BuildingCoder/BuildingCoder/CmdElevationWatcher.cs
+++ b/BuildingCoder/BuildingCoder/CmdElevationWatcher.cs
@@ -2,7 +2,7 @@
 //
 // CmdElevationWatcher.cs - React to elevation view creation
 //
-// Copyright (C) 2012-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2012-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdEllipticalArc.cs b/BuildingCoder/BuildingCoder/CmdEllipticalArc.cs
index 68f2422..a3edafb 100644
--- a/BuildingCoder/BuildingCoder/CmdEllipticalArc.cs
+++ b/BuildingCoder/BuildingCoder/CmdEllipticalArc.cs
@@ -2,7 +2,7 @@
 //
 // CmdEllipticalArc.cs - create an elliptical arc geometry object
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdExportIfc.cs b/BuildingCoder/BuildingCoder/CmdExportIfc.cs
index 2dcef63..59d0cd4 100644
--- a/BuildingCoder/BuildingCoder/CmdExportIfc.cs
+++ b/BuildingCoder/BuildingCoder/CmdExportIfc.cs
@@ -2,7 +2,7 @@
 //
 // CmdExportIfc.cs - Export current view to IFC
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdExportImage.cs b/BuildingCoder/BuildingCoder/CmdExportImage.cs
index 98f0cb1..028d6ed 100644
--- a/BuildingCoder/BuildingCoder/CmdExportImage.cs
+++ b/BuildingCoder/BuildingCoder/CmdExportImage.cs
@@ -2,7 +2,7 @@
 //
 // CmdExportImage.cs - export a preview JPG 3D image of the family or project
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdExportSolidToSat.cs b/BuildingCoder/BuildingCoder/CmdExportSolidToSat.cs
index 62bdc2f..829f979 100644
--- a/BuildingCoder/BuildingCoder/CmdExportSolidToSat.cs
+++ b/BuildingCoder/BuildingCoder/CmdExportSolidToSat.cs
@@ -2,7 +2,7 @@
 //
 // CmdExportSolidToSat.cs - Create a solid in memory and export it to a SAT file
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdFaceWall.cs b/BuildingCoder/BuildingCoder/CmdFaceWall.cs
index 5a19457..8a47114 100644
--- a/BuildingCoder/BuildingCoder/CmdFaceWall.cs
+++ b/BuildingCoder/BuildingCoder/CmdFaceWall.cs
@@ -5,7 +5,7 @@
 // Create and insert a conceptual mass family instance, 
 // then create sloped walls on all its faces.
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik,
+// Copyright (C) 2014-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdFamilyParamGuid.cs b/BuildingCoder/BuildingCoder/CmdFamilyParamGuid.cs
index fd1b65c..964767c 100644
--- a/BuildingCoder/BuildingCoder/CmdFamilyParamGuid.cs
+++ b/BuildingCoder/BuildingCoder/CmdFamilyParamGuid.cs
@@ -2,7 +2,7 @@
 //
 // CmdFamilyParamGuid.cs - determine family parameter IsShared and GUID properties using System.Reflection
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdFamilyParamValue.cs b/BuildingCoder/BuildingCoder/CmdFamilyParamValue.cs
index 50b405e..f444160 100644
--- a/BuildingCoder/BuildingCoder/CmdFamilyParamValue.cs
+++ b/BuildingCoder/BuildingCoder/CmdFamilyParamValue.cs
@@ -3,7 +3,7 @@
 // CmdFamilyParamValue.cs - list family parameter values
 // defined on the types in a family document
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdFilledRegionCoords.cs b/BuildingCoder/BuildingCoder/CmdFilledRegionCoords.cs
index 11738dc..789cc90 100644
--- a/BuildingCoder/BuildingCoder/CmdFilledRegionCoords.cs
+++ b/BuildingCoder/BuildingCoder/CmdFilledRegionCoords.cs
@@ -2,7 +2,7 @@
 //
 // CmdFilledRegionCoords.cs - retrieve FilledRegion coordinates
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdGetDimensionPoints.cs b/BuildingCoder/BuildingCoder/CmdGetDimensionPoints.cs
index e5d35cf..eeb8f2f 100644
--- a/BuildingCoder/BuildingCoder/CmdGetDimensionPoints.cs
+++ b/BuildingCoder/BuildingCoder/CmdGetDimensionPoints.cs
@@ -2,7 +2,7 @@
 //
 // CmdGetDimensionPoints.cs - determine dimension segment start and end points
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdGetMaterials.cs b/BuildingCoder/BuildingCoder/CmdGetMaterials.cs
index d804275..5425e52 100644
--- a/BuildingCoder/BuildingCoder/CmdGetMaterials.cs
+++ b/BuildingCoder/BuildingCoder/CmdGetMaterials.cs
@@ -3,7 +3,7 @@
 // CmdGetMaterials.cs - determine element materials
 // by iterating over its geometry faces
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdGetSketchElements.cs b/BuildingCoder/BuildingCoder/CmdGetSketchElements.cs
index d27732e..75cb9f1 100644
--- a/BuildingCoder/BuildingCoder/CmdGetSketchElements.cs
+++ b/BuildingCoder/BuildingCoder/CmdGetSketchElements.cs
@@ -2,7 +2,7 @@
 //
 // CmdGetSketchElements.cs - retrieve sketch elements for a selected wall, floor, roof, filled region, etc.
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdIdling.cs b/BuildingCoder/BuildingCoder/CmdIdling.cs
index db1bbc1..b5012f3 100644
--- a/BuildingCoder/BuildingCoder/CmdIdling.cs
+++ b/BuildingCoder/BuildingCoder/CmdIdling.cs
@@ -2,7 +2,7 @@
 //
 // CmdIdling.cs - subscribe to the Idling event
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdImportsInFamilies.cs b/BuildingCoder/BuildingCoder/CmdImportsInFamilies.cs
index 54e111b..d3ba27a 100644
--- a/BuildingCoder/BuildingCoder/CmdImportsInFamilies.cs
+++ b/BuildingCoder/BuildingCoder/CmdImportsInFamilies.cs
@@ -4,7 +4,7 @@
 // used in current project containing imported
 // CAD files.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdInstallLocation.cs b/BuildingCoder/BuildingCoder/CmdInstallLocation.cs
index e06edbe..ace90e0 100644
--- a/BuildingCoder/BuildingCoder/CmdInstallLocation.cs
+++ b/BuildingCoder/BuildingCoder/CmdInstallLocation.cs
@@ -2,7 +2,7 @@
 //
 // CmdInstallLocation.cs - determine Revit product install location
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdIntersectJunctionBox.cs b/BuildingCoder/BuildingCoder/CmdIntersectJunctionBox.cs
index 74a246e..43027bf 100644
--- a/BuildingCoder/BuildingCoder/CmdIntersectJunctionBox.cs
+++ b/BuildingCoder/BuildingCoder/CmdIntersectJunctionBox.cs
@@ -2,7 +2,7 @@
 //
 // CmdIntersectJunctionBox.cs - determine conduits intersecting junction box
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdItemExecuted.cs b/BuildingCoder/BuildingCoder/CmdItemExecuted.cs
index 095de05..8806f10 100644
--- a/BuildingCoder/BuildingCoder/CmdItemExecuted.cs
+++ b/BuildingCoder/BuildingCoder/CmdItemExecuted.cs
@@ -2,7 +2,7 @@
 //
 // CmdItemExecuted.cs - list all ribbon panel command buttons and subscribe to Autodesk.Windows.ComponentManager.ItemExecuted
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik,
+// Copyright (C) 2015-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdLandXml.cs b/BuildingCoder/BuildingCoder/CmdLandXml.cs
index 7187fb0..12b7b85 100644
--- a/BuildingCoder/BuildingCoder/CmdLandXml.cs
+++ b/BuildingCoder/BuildingCoder/CmdLandXml.cs
@@ -2,7 +2,7 @@
 //
 // CmdLandXml.cs - import LandXML data and create TopographySurface
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdLibraryPaths.cs b/BuildingCoder/BuildingCoder/CmdLibraryPaths.cs
index 50c517f..6e8772f 100644
--- a/BuildingCoder/BuildingCoder/CmdLibraryPaths.cs
+++ b/BuildingCoder/BuildingCoder/CmdLibraryPaths.cs
@@ -2,7 +2,7 @@
 //
 // CmdLibraryPaths.cs - update the application options library paths
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdLinkedFileElements.cs b/BuildingCoder/BuildingCoder/CmdLinkedFileElements.cs
index c30fe64..44181fb 100644
--- a/BuildingCoder/BuildingCoder/CmdLinkedFileElements.cs
+++ b/BuildingCoder/BuildingCoder/CmdLinkedFileElements.cs
@@ -2,7 +2,7 @@
 //
 // CmdLinkedFileElements.cs - list elements in linked files
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdLinkedFiles.cs b/BuildingCoder/BuildingCoder/CmdLinkedFiles.cs
index c1ef42e..6b62824 100644
--- a/BuildingCoder/BuildingCoder/CmdLinkedFiles.cs
+++ b/BuildingCoder/BuildingCoder/CmdLinkedFiles.cs
@@ -3,7 +3,7 @@
 // CmdLinkedFiles.cs - retrieve linked files
 // in current project
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListAllRooms.cs b/BuildingCoder/BuildingCoder/CmdListAllRooms.cs
index f358187..30aaf1e 100644
--- a/BuildingCoder/BuildingCoder/CmdListAllRooms.cs
+++ b/BuildingCoder/BuildingCoder/CmdListAllRooms.cs
@@ -2,7 +2,7 @@
 //
 // CmdListAllRooms.cs - list properties from all rooms
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdListMarks.cs b/BuildingCoder/BuildingCoder/CmdListMarks.cs
index 92d2542..526209f 100644
--- a/BuildingCoder/BuildingCoder/CmdListMarks.cs
+++ b/BuildingCoder/BuildingCoder/CmdListMarks.cs
@@ -2,7 +2,7 @@
 //
 // CmdListMarks.cs - list all door marks
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListPipeSizes.cs b/BuildingCoder/BuildingCoder/CmdListPipeSizes.cs
index 44b8b6c..a05e862 100644
--- a/BuildingCoder/BuildingCoder/CmdListPipeSizes.cs
+++ b/BuildingCoder/BuildingCoder/CmdListPipeSizes.cs
@@ -2,7 +2,7 @@
 //
 // CmdListPipeSizes.cs - list pipe sizes in a project
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik,
+// Copyright (C) 2015-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListRailingTypes.cs b/BuildingCoder/BuildingCoder/CmdListRailingTypes.cs
index 60920c9..989fa54 100644
--- a/BuildingCoder/BuildingCoder/CmdListRailingTypes.cs
+++ b/BuildingCoder/BuildingCoder/CmdListRailingTypes.cs
@@ -4,7 +4,7 @@
 // in response to queries from Berria at
 // http://thebuildingcoder.typepad.com/blog/2009/02/inserting-a-column.html#comments
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListSharedParams.cs b/BuildingCoder/BuildingCoder/CmdListSharedParams.cs
index af0c02c..ed1ed1d 100644
--- a/BuildingCoder/BuildingCoder/CmdListSharedParams.cs
+++ b/BuildingCoder/BuildingCoder/CmdListSharedParams.cs
@@ -2,7 +2,7 @@
 //
 // CmdListSharedParams.cs - list all shared parameters
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListViews.cs b/BuildingCoder/BuildingCoder/CmdListViews.cs
index 80911bd..a2b272f 100644
--- a/BuildingCoder/BuildingCoder/CmdListViews.cs
+++ b/BuildingCoder/BuildingCoder/CmdListViews.cs
@@ -3,7 +3,7 @@
 // CmdListViews.cs - determine all the view
 // ports of a drawing sheet and vice versa
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdListWalls.cs b/BuildingCoder/BuildingCoder/CmdListWalls.cs
index 73117aa..3cde252 100644
--- a/BuildingCoder/BuildingCoder/CmdListWalls.cs
+++ b/BuildingCoder/BuildingCoder/CmdListWalls.cs
@@ -2,7 +2,7 @@
 //
 // CmdListWalls.cs - list walls
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdMepElementShape.cs b/BuildingCoder/BuildingCoder/CmdMepElementShape.cs
index 79b55d5..c4473fa 100644
--- a/BuildingCoder/BuildingCoder/CmdMepElementShape.cs
+++ b/BuildingCoder/BuildingCoder/CmdMepElementShape.cs
@@ -2,7 +2,7 @@
 //
 // CmdMepElementShape.cs - determine element shape, i.e. MEP element cross section
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdMidCurve.cs b/BuildingCoder/BuildingCoder/CmdMidCurve.cs
index 783bf03..02785c3 100644
--- a/BuildingCoder/BuildingCoder/CmdMidCurve.cs
+++ b/BuildingCoder/BuildingCoder/CmdMidCurve.cs
@@ -2,7 +2,7 @@
 //
 // CmdMidCurve.cs - create a series of model line segments between two curve elements
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdMirror.cs b/BuildingCoder/BuildingCoder/CmdMirror.cs
index 027dd19..6d68d83 100644
--- a/BuildingCoder/BuildingCoder/CmdMirror.cs
+++ b/BuildingCoder/BuildingCoder/CmdMirror.cs
@@ -2,7 +2,7 @@
 //
 // CmdMirror.cs - mirror some elements.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdMultiStoryStairSubelements.cs b/BuildingCoder/BuildingCoder/CmdMultiStoryStairSubelements.cs
index e8293fc..3a4b06c 100644
--- a/BuildingCoder/BuildingCoder/CmdMultiStoryStairSubelements.cs
+++ b/BuildingCoder/BuildingCoder/CmdMultiStoryStairSubelements.cs
@@ -2,7 +2,7 @@
 //
 // CmdMultistoryStairSubelements.cs - Access all subelements of all MultistoryStair instances
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdNamedGuidStorage.cs b/BuildingCoder/BuildingCoder/CmdNamedGuidStorage.cs
index 9e6bcc4..1b17b0e 100644
--- a/BuildingCoder/BuildingCoder/CmdNamedGuidStorage.cs
+++ b/BuildingCoder/BuildingCoder/CmdNamedGuidStorage.cs
@@ -2,7 +2,7 @@
 //
 // CmdNamedGuidStorage.cs - Test the named Guid storage class
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2015-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdNestedFamilies.cs b/BuildingCoder/BuildingCoder/CmdNestedFamilies.cs
index 00bc228..02e1583 100644
--- a/BuildingCoder/BuildingCoder/CmdNestedFamilies.cs
+++ b/BuildingCoder/BuildingCoder/CmdNestedFamilies.cs
@@ -2,7 +2,7 @@
 //
 // CmdNestedFamilies.cs - list nested family files and instances in a family document
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdNestedInstanceGeo.cs b/BuildingCoder/BuildingCoder/CmdNestedInstanceGeo.cs
index c60fffa..aa5ac82 100644
--- a/BuildingCoder/BuildingCoder/CmdNestedInstanceGeo.cs
+++ b/BuildingCoder/BuildingCoder/CmdNestedInstanceGeo.cs
@@ -3,7 +3,7 @@
 // CmdNestedInstanceGeo.cs - analyse
 // nested instance geometry and structure
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewArea.cs b/BuildingCoder/BuildingCoder/CmdNewArea.cs
index 92fe83a..af56bca 100644
--- a/BuildingCoder/BuildingCoder/CmdNewArea.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewArea.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewArea.cs - create a new area element
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewBeamTypeInstance.cs b/BuildingCoder/BuildingCoder/CmdNewBeamTypeInstance.cs
index 999aeae..a30c1a0 100644
--- a/BuildingCoder/BuildingCoder/CmdNewBeamTypeInstance.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewBeamTypeInstance.cs
@@ -3,7 +3,7 @@
 // CmdNewBeamTypeInstance.cs - create a new
 // beam type and insert an instance of it
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewBlend.cs b/BuildingCoder/BuildingCoder/CmdNewBlend.cs
index ebecd75..16f4ea4 100644
--- a/BuildingCoder/BuildingCoder/CmdNewBlend.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewBlend.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewBlend.cs - create a new blend element using the NewBlend method
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdNewColumnTypeInstance.cs b/BuildingCoder/BuildingCoder/CmdNewColumnTypeInstance.cs
index 920caa6..64ef536 100644
--- a/BuildingCoder/BuildingCoder/CmdNewColumnTypeInstance.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewColumnTypeInstance.cs
@@ -3,7 +3,7 @@
 // CmdNewColumnTypeInstance.cs - create a new
 // column type and insert an instance of it
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewDimensionLabel.cs b/BuildingCoder/BuildingCoder/CmdNewDimensionLabel.cs
index b7bf5c4..0e4501c 100644
--- a/BuildingCoder/BuildingCoder/CmdNewDimensionLabel.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewDimensionLabel.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewDimensionLabel.cs - create a new dimension label in a family document
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewDuctSystem.cs b/BuildingCoder/BuildingCoder/CmdNewDuctSystem.cs
index aa8b58f..d98e821 100644
--- a/BuildingCoder/BuildingCoder/CmdNewDuctSystem.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewDuctSystem.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewDuctSystem.cs - create a new duct system via the NewMechanicalSystem API call
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewExtrusionRoof.cs b/BuildingCoder/BuildingCoder/CmdNewExtrusionRoof.cs
index 9ad0ecb..14a6b56 100644
--- a/BuildingCoder/BuildingCoder/CmdNewExtrusionRoof.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewExtrusionRoof.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewExtrusionRoof.cs - create a strangely stair shaped new extrusion roof
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik,
+// Copyright (C) 2014-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewLightingFixture.cs b/BuildingCoder/BuildingCoder/CmdNewLightingFixture.cs
index 7f12464..f26b304 100644
--- a/BuildingCoder/BuildingCoder/CmdNewLightingFixture.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewLightingFixture.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewLightingFixture.cs - insert new lighting fixture family instance
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewLineLoad.cs b/BuildingCoder/BuildingCoder/CmdNewLineLoad.cs
index c4c2eaf..6b880b3 100644
--- a/BuildingCoder/BuildingCoder/CmdNewLineLoad.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewLineLoad.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewLineLoad.cs - create a new structural line load element
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewProjectDoc.cs b/BuildingCoder/BuildingCoder/CmdNewProjectDoc.cs
index 966dc1c..fb18ded 100644
--- a/BuildingCoder/BuildingCoder/CmdNewProjectDoc.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewProjectDoc.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewProjectDoc.cs - create a new project document
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewRailing.cs b/BuildingCoder/BuildingCoder/CmdNewRailing.cs
index ebfbeeb..71bd88d 100644
--- a/BuildingCoder/BuildingCoder/CmdNewRailing.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewRailing.cs
@@ -4,7 +4,7 @@
 // in response to queries from Berria at
 // http://thebuildingcoder.typepad.com/blog/2009/02/list-railing-types.html#comments
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewSpotElevation.cs b/BuildingCoder/BuildingCoder/CmdNewSpotElevation.cs
index 999a118..097ee25 100644
--- a/BuildingCoder/BuildingCoder/CmdNewSpotElevation.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewSpotElevation.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewSpotElevation.cs - insert a new spot elevation on top surface of beam
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewSprinkler.cs b/BuildingCoder/BuildingCoder/CmdNewSprinkler.cs
index 9bcd195..007189d 100644
--- a/BuildingCoder/BuildingCoder/CmdNewSprinkler.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewSprinkler.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewSprinkler.cs - insert a new sprinkler family instance
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdNewSweptBlend.cs b/BuildingCoder/BuildingCoder/CmdNewSweptBlend.cs
index 47e2abc..7c139bd 100644
--- a/BuildingCoder/BuildingCoder/CmdNewSweptBlend.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewSweptBlend.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewSweptBlend.cs - create a new swept blend element
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdNewWallLayer.cs b/BuildingCoder/BuildingCoder/CmdNewWallLayer.cs
index efded16..dce7129 100644
--- a/BuildingCoder/BuildingCoder/CmdNewWallLayer.cs
+++ b/BuildingCoder/BuildingCoder/CmdNewWallLayer.cs
@@ -2,7 +2,7 @@
 //
 // CmdNewWallLayer.cs - create a new compound wall layer.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdOmniClassParams.cs b/BuildingCoder/BuildingCoder/CmdOmniClassParams.cs
index 48dab50..0245586 100644
--- a/BuildingCoder/BuildingCoder/CmdOmniClassParams.cs
+++ b/BuildingCoder/BuildingCoder/CmdOmniClassParams.cs
@@ -3,7 +3,7 @@
 // CmdOmniClassParams.cs - extract OmniClass
 // parameter data from all elements
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdParamValuesForCats.cs b/BuildingCoder/BuildingCoder/CmdParamValuesForCats.cs
index 62f37e0..eaa064a 100644
--- a/BuildingCoder/BuildingCoder/CmdParamValuesForCats.cs
+++ b/BuildingCoder/BuildingCoder/CmdParamValuesForCats.cs
@@ -2,7 +2,7 @@
 //
 // CmdParamValuesForCats.cs - retrieve all parameter values for all elements of the given categories
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPickPoint3d.cs b/BuildingCoder/BuildingCoder/CmdPickPoint3d.cs
index fd8efd2..4bef7db 100644
--- a/BuildingCoder/BuildingCoder/CmdPickPoint3d.cs
+++ b/BuildingCoder/BuildingCoder/CmdPickPoint3d.cs
@@ -2,7 +2,7 @@
 //
 // CmdPickPoint3d.cs - set active work plane to pick a point in 3d
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPickRoomInclLinked.cs b/BuildingCoder/BuildingCoder/CmdPickRoomInclLinked.cs
index 893ed7b..8f784b7 100644
--- a/BuildingCoder/BuildingCoder/CmdPickRoomInclLinked.cs
+++ b/BuildingCoder/BuildingCoder/CmdPickRoomInclLinked.cs
@@ -2,7 +2,7 @@
 //
 // CmdPickRoomInclLinked.cs - selection filter to pick a room either in current project or linked model
 //
-// Copyright (C) 2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2020-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPlaceFamilyInstance.cs b/BuildingCoder/BuildingCoder/CmdPlaceFamilyInstance.cs
index 49f5f4d..d1e805f 100644
--- a/BuildingCoder/BuildingCoder/CmdPlaceFamilyInstance.cs
+++ b/BuildingCoder/BuildingCoder/CmdPlaceFamilyInstance.cs
@@ -4,7 +4,7 @@
 // to place family instances and use the DocumentChanged event to
 // capture the newly added element ids
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdPlanTopology.cs b/BuildingCoder/BuildingCoder/CmdPlanTopology.cs
index 8717939..dd65a94 100644
--- a/BuildingCoder/BuildingCoder/CmdPlanTopology.cs
+++ b/BuildingCoder/BuildingCoder/CmdPlanTopology.cs
@@ -2,7 +2,7 @@
 //
 // CmdPlanTopology.cs - test PlanTopology class
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdPostRequestInstancePlacement.cs b/BuildingCoder/BuildingCoder/CmdPostRequestInstancePlacement.cs
index 416c8a0..c776949 100644
--- a/BuildingCoder/BuildingCoder/CmdPostRequestInstancePlacement.cs
+++ b/BuildingCoder/BuildingCoder/CmdPostRequestInstancePlacement.cs
@@ -2,7 +2,7 @@
 //
 // CmdPostRequestInstancePlacement.cs - Exercise the PostRequestForElementTypePlacement method
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik,
+// Copyright (C) 2015-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdPreprocessFailure.cs b/BuildingCoder/BuildingCoder/CmdPreprocessFailure.cs
index fe975e7..d2dbd4a 100644
--- a/BuildingCoder/BuildingCoder/CmdPreprocessFailure.cs
+++ b/BuildingCoder/BuildingCoder/CmdPreprocessFailure.cs
@@ -2,7 +2,7 @@
 //
 // CmdPreprocessFailure.cs - suppress warning message by implementing the IFailuresPreprocessor interface
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPressKeys.cs b/BuildingCoder/BuildingCoder/CmdPressKeys.cs
index 91a9110..2f71ea3 100644
--- a/BuildingCoder/BuildingCoder/CmdPressKeys.cs
+++ b/BuildingCoder/BuildingCoder/CmdPressKeys.cs
@@ -2,7 +2,7 @@
 //
 // CmdPressKeys.cs - press keys to launch 'Create Similar' and other Revit commands
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPreviewImage.cs b/BuildingCoder/BuildingCoder/CmdPreviewImage.cs
index 98e4863..0b5c442 100644
--- a/BuildingCoder/BuildingCoder/CmdPreviewImage.cs
+++ b/BuildingCoder/BuildingCoder/CmdPreviewImage.cs
@@ -2,7 +2,7 @@
 //
 // CmdPreviewImage.cs - display the element type preview image of all family instances
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPurgeLineStyles.cs b/BuildingCoder/BuildingCoder/CmdPurgeLineStyles.cs
index 91cc8bd..5f9e2ba 100644
--- a/BuildingCoder/BuildingCoder/CmdPurgeLineStyles.cs
+++ b/BuildingCoder/BuildingCoder/CmdPurgeLineStyles.cs
@@ -2,7 +2,7 @@
 //
 // CmdPurgeLineStyles.cs - purge specific line styles
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdPurgeTextNoteTypes.cs b/BuildingCoder/BuildingCoder/CmdPurgeTextNoteTypes.cs
index 199321e..1176a6a 100644
--- a/BuildingCoder/BuildingCoder/CmdPurgeTextNoteTypes.cs
+++ b/BuildingCoder/BuildingCoder/CmdPurgeTextNoteTypes.cs
@@ -2,7 +2,7 @@
 //
 // CmdPurgeTextNoteTypes.cs - purge TextNote types, i.e. delete all unused TextNote type instances
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdRebarCurves.cs b/BuildingCoder/BuildingCoder/CmdRebarCurves.cs
index e026074..e062bf1 100644
--- a/BuildingCoder/BuildingCoder/CmdRebarCurves.cs
+++ b/BuildingCoder/BuildingCoder/CmdRebarCurves.cs
@@ -2,7 +2,7 @@
 //
 // CmdRebarCurves.cs - Retrieve and duplicate all rebar centreline curves with model curves
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdRectDuctCorners.cs b/BuildingCoder/BuildingCoder/CmdRectDuctCorners.cs
index 4e958d9..4a7bd06 100644
--- a/BuildingCoder/BuildingCoder/CmdRectDuctCorners.cs
+++ b/BuildingCoder/BuildingCoder/CmdRectDuctCorners.cs
@@ -2,7 +2,7 @@
 //
 // CmdRectDuctCorners.cs - determine the corners of a rectangular duct
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdRelationshipInverter.cs b/BuildingCoder/BuildingCoder/CmdRelationshipInverter.cs
index dc24f35..3ac0b3e 100644
--- a/BuildingCoder/BuildingCoder/CmdRelationshipInverter.cs
+++ b/BuildingCoder/BuildingCoder/CmdRelationshipInverter.cs
@@ -6,7 +6,7 @@
 // i.e. hosted --> host, and invert it to obtain
 // a map host --> list of hosted elements.
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdRemoveDwfLinks.cs b/BuildingCoder/BuildingCoder/CmdRemoveDwfLinks.cs
index e71af41..41b428b 100644
--- a/BuildingCoder/BuildingCoder/CmdRemoveDwfLinks.cs
+++ b/BuildingCoder/BuildingCoder/CmdRemoveDwfLinks.cs
@@ -2,7 +2,7 @@
 //
 // CmdRemoveDwfLinks.cs - Remove DWF links
 //
-// Copyright (C) 2012-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2012-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdRemoveImportedJpgs.cs b/BuildingCoder/BuildingCoder/CmdRemoveImportedJpgs.cs
index 2f8850e..875bedd 100644
--- a/BuildingCoder/BuildingCoder/CmdRemoveImportedJpgs.cs
+++ b/BuildingCoder/BuildingCoder/CmdRemoveImportedJpgs.cs
@@ -2,7 +2,7 @@
 //
 // CmdRemoveImportedJpgs.cs - Remove imported JPG image files
 //
-// Copyright (C) 2012-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2012-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdRollingOffset.cs b/BuildingCoder/BuildingCoder/CmdRollingOffset.cs
index ad474c7..4b72ef3 100644
--- a/BuildingCoder/BuildingCoder/CmdRollingOffset.cs
+++ b/BuildingCoder/BuildingCoder/CmdRollingOffset.cs
@@ -2,7 +2,7 @@
 //
 // CmdRollingOffset.cs - calculate a rolling offset pipe segment between two existing pipes and hook them up
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdRoomNeighbours.cs b/BuildingCoder/BuildingCoder/CmdRoomNeighbours.cs
index 83a5fe8..7823405 100644
--- a/BuildingCoder/BuildingCoder/CmdRoomNeighbours.cs
+++ b/BuildingCoder/BuildingCoder/CmdRoomNeighbours.cs
@@ -2,7 +2,7 @@
 //
 // CmdRoomNeighbours.cs - determine neighbouring room at midpoint of each room boundary segment
 //
-// Copyright (C) 2013-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2013-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdRoomWallAdjacency.cs b/BuildingCoder/BuildingCoder/CmdRoomWallAdjacency.cs
index 680fd16..880d3eb 100644
--- a/BuildingCoder/BuildingCoder/CmdRoomWallAdjacency.cs
+++ b/BuildingCoder/BuildingCoder/CmdRoomWallAdjacency.cs
@@ -3,7 +3,7 @@
 // CmdRoomWallAdjacency.cs - determine part
 // of wall face area that bounds a room.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdRotatedBeamLocation.cs b/BuildingCoder/BuildingCoder/CmdRotatedBeamLocation.cs
index 607c516..e9c3719 100644
--- a/BuildingCoder/BuildingCoder/CmdRotatedBeamLocation.cs
+++ b/BuildingCoder/BuildingCoder/CmdRotatedBeamLocation.cs
@@ -2,7 +2,7 @@
 //
 // CmdRotatedBeamLocation.cs - determine location of rotated beam
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSetRoomOccupancy.cs b/BuildingCoder/BuildingCoder/CmdSetRoomOccupancy.cs
index 68a7863..7316675 100644
--- a/BuildingCoder/BuildingCoder/CmdSetRoomOccupancy.cs
+++ b/BuildingCoder/BuildingCoder/CmdSetRoomOccupancy.cs
@@ -2,7 +2,7 @@
 //
 // CmdSetRoomOccupancy.cs - read and set room occupancy
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSetTagType.cs b/BuildingCoder/BuildingCoder/CmdSetTagType.cs
index 6da48c5..180d561 100644
--- a/BuildingCoder/BuildingCoder/CmdSetTagType.cs
+++ b/BuildingCoder/BuildingCoder/CmdSetTagType.cs
@@ -2,7 +2,7 @@
 //
 // CmdSetTagType.cs - create a wall, door, door tag, then create and set a new door tag type
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSetTangentLock.cs b/BuildingCoder/BuildingCoder/CmdSetTangentLock.cs
index 45c903b..c933fc5 100644
--- a/BuildingCoder/BuildingCoder/CmdSetTangentLock.cs
+++ b/BuildingCoder/BuildingCoder/CmdSetTangentLock.cs
@@ -2,7 +2,7 @@
 //
 // CmdSetTangentLock.cs - set tangent lock on adjoining curve elements
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdSetWallType.cs b/BuildingCoder/BuildingCoder/CmdSetWallType.cs
index c0daf7c..7030615 100644
--- a/BuildingCoder/BuildingCoder/CmdSetWallType.cs
+++ b/BuildingCoder/BuildingCoder/CmdSetWallType.cs
@@ -5,7 +5,7 @@
 // This answers the Revit API discussion forum thread
 // https://forums.autodesk.com/t5/revit-api/change-the-selection-of-a-wall/m-p/5890510
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik, 
+// Copyright (C) 2015-2021 by Jeremy Tammik, 
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSheetData.cs b/BuildingCoder/BuildingCoder/CmdSheetData.cs
index 5a0e374..93845c9 100644
--- a/BuildingCoder/BuildingCoder/CmdSheetData.cs
+++ b/BuildingCoder/BuildingCoder/CmdSheetData.cs
@@ -2,7 +2,7 @@
 //
 // CmdSheetData.cs - export sheet data to XML file
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSheetSize.cs b/BuildingCoder/BuildingCoder/CmdSheetSize.cs
index 3205b40..c0ecbc8 100644
--- a/BuildingCoder/BuildingCoder/CmdSheetSize.cs
+++ b/BuildingCoder/BuildingCoder/CmdSheetSize.cs
@@ -2,7 +2,7 @@
 //
 // CmdSheetSize.cs - list title block element types and title block and view sheet instances and sizes
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdSlabBoundary.cs b/BuildingCoder/BuildingCoder/CmdSlabBoundary.cs
index a31d504..c6ee9fc 100644
--- a/BuildingCoder/BuildingCoder/CmdSlabBoundary.cs
+++ b/BuildingCoder/BuildingCoder/CmdSlabBoundary.cs
@@ -2,7 +2,7 @@
 //
 // CmdSlabBoundary.cs - determine polygonal slab boundary loops
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSlabBoundaryArea.cs b/BuildingCoder/BuildingCoder/CmdSlabBoundaryArea.cs
index 58ce0c5..03c5a52 100644
--- a/BuildingCoder/BuildingCoder/CmdSlabBoundaryArea.cs
+++ b/BuildingCoder/BuildingCoder/CmdSlabBoundaryArea.cs
@@ -3,7 +3,7 @@
 // CmdSlabBoundaryArea.cs - determine
 // slab boundary polygon loops and areas
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSlabSides.cs b/BuildingCoder/BuildingCoder/CmdSlabSides.cs
index 3b23cf1..49438c8 100644
--- a/BuildingCoder/BuildingCoder/CmdSlabSides.cs
+++ b/BuildingCoder/BuildingCoder/CmdSlabSides.cs
@@ -2,7 +2,7 @@
 //
 // CmdSlabSides.cs - determine vertical slab 'side' faces
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdSlopedWall.cs b/BuildingCoder/BuildingCoder/CmdSlopedWall.cs
index eedea7d..34fa28f 100644
--- a/BuildingCoder/BuildingCoder/CmdSlopedWall.cs
+++ b/BuildingCoder/BuildingCoder/CmdSlopedWall.cs
@@ -2,7 +2,7 @@
 //
 // CmdSlopedWall.cs - create a sloped wall
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdStatusBar.cs b/BuildingCoder/BuildingCoder/CmdStatusBar.cs
index 8e59268..1af46dd 100644
--- a/BuildingCoder/BuildingCoder/CmdStatusBar.cs
+++ b/BuildingCoder/BuildingCoder/CmdStatusBar.cs
@@ -2,7 +2,7 @@
 //
 // CmdStatusBar.cs - set the status bar text using Windows API
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdSteelStairBeams.cs b/BuildingCoder/BuildingCoder/CmdSteelStairBeams.cs
index 3886608..d15effc 100644
--- a/BuildingCoder/BuildingCoder/CmdSteelStairBeams.cs
+++ b/BuildingCoder/BuildingCoder/CmdSteelStairBeams.cs
@@ -2,7 +2,7 @@
 //
 // CmdSteelStairBeams.cs - create a series of connected mitered steel beams for a steel stair
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdSwitchDoc.cs b/BuildingCoder/BuildingCoder/CmdSwitchDoc.cs
index ffd2c46..00e64f8 100644
--- a/BuildingCoder/BuildingCoder/CmdSwitchDoc.cs
+++ b/BuildingCoder/BuildingCoder/CmdSwitchDoc.cs
@@ -2,7 +2,7 @@
 //
 // CmdSwitchDoc.cs - switch document or view
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdTransformedCoords.cs b/BuildingCoder/BuildingCoder/CmdTransformedCoords.cs
index d12189d..926391e 100644
--- a/BuildingCoder/BuildingCoder/CmdTransformedCoords.cs
+++ b/BuildingCoder/BuildingCoder/CmdTransformedCoords.cs
@@ -4,7 +4,7 @@
 // from family instance transformed into world
 // coordinate system
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdUnrotateNorth.cs b/BuildingCoder/BuildingCoder/CmdUnrotateNorth.cs
index bfbaec6..5423469 100644
--- a/BuildingCoder/BuildingCoder/CmdUnrotateNorth.cs
+++ b/BuildingCoder/BuildingCoder/CmdUnrotateNorth.cs
@@ -3,7 +3,7 @@
 // CmdUnrotateNorth.cs - transform element location back to
 // original coordinates to cancel effect of rotating project north
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdUpdateReferencingSheet.cs b/BuildingCoder/BuildingCoder/CmdUpdateReferencingSheet.cs
index 3d7980c..73be01c 100644
--- a/BuildingCoder/BuildingCoder/CmdUpdateReferencingSheet.cs
+++ b/BuildingCoder/BuildingCoder/CmdUpdateReferencingSheet.cs
@@ -2,7 +2,7 @@
 //
 // CmdUpdateReferencingSheet.cs - update 'Referencing Sheet' parameter displayed in section view header
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik,
+// Copyright (C) 2010-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdViewsShowingElements.cs b/BuildingCoder/BuildingCoder/CmdViewsShowingElements.cs
index 0cc4098..6868785 100644
--- a/BuildingCoder/BuildingCoder/CmdViewsShowingElements.cs
+++ b/BuildingCoder/BuildingCoder/CmdViewsShowingElements.cs
@@ -7,7 +7,7 @@
 // published in 
 // http://forums.autodesk.com/t5/Revit-API/Revision-help-which-views-show-this-object/m-p/5029772
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik,
+// Copyright (C) 2014-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallBottomFace.cs b/BuildingCoder/BuildingCoder/CmdWallBottomFace.cs
index fbecb4e..b2a6322 100644
--- a/BuildingCoder/BuildingCoder/CmdWallBottomFace.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallBottomFace.cs
@@ -2,7 +2,7 @@
 //
 // CmdWallBottomFace.cs - determine the bottom face of a wall
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallDimensions.cs b/BuildingCoder/BuildingCoder/CmdWallDimensions.cs
index 74c3861..8c07de4 100644
--- a/BuildingCoder/BuildingCoder/CmdWallDimensions.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallDimensions.cs
@@ -3,7 +3,7 @@
 // CmdWallDimensions.cs - determine wall dimensions
 // by iterating over wall geometry faces
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallFooting.cs b/BuildingCoder/BuildingCoder/CmdWallFooting.cs
index ff7aec2..817d10c 100644
--- a/BuildingCoder/BuildingCoder/CmdWallFooting.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallFooting.cs
@@ -2,7 +2,7 @@
 //
 // CmdWallFooting.cs - determine wall footing from wall.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallLayerVolumes.cs b/BuildingCoder/BuildingCoder/CmdWallLayerVolumes.cs
index 63710fe..5f51744 100644
--- a/BuildingCoder/BuildingCoder/CmdWallLayerVolumes.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallLayerVolumes.cs
@@ -3,7 +3,7 @@
 // CmdWallLayerVolumes.cs - determine
 // compound wall layer volumes
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallLayers.cs b/BuildingCoder/BuildingCoder/CmdWallLayers.cs
index d139f5c..4eabfb6 100644
--- a/BuildingCoder/BuildingCoder/CmdWallLayers.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallLayers.cs
@@ -3,7 +3,7 @@
 // CmdWallLayers.cs - analyse wall compound
 // layer structure and geometry
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallNeighbours.cs b/BuildingCoder/BuildingCoder/CmdWallNeighbours.cs
index 89f8edd..ef0f6a6 100644
--- a/BuildingCoder/BuildingCoder/CmdWallNeighbours.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallNeighbours.cs
@@ -3,7 +3,7 @@
 // CmdWallNeighbours.cs - determine wall
 // neighbours, i.e. walls joined at end points
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallOpeningProfiles.cs b/BuildingCoder/BuildingCoder/CmdWallOpeningProfiles.cs
index f720035..dba0c3a 100644
--- a/BuildingCoder/BuildingCoder/CmdWallOpeningProfiles.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallOpeningProfiles.cs
@@ -2,7 +2,7 @@
 //
 // CmdWallOpeningProfiles.cs - determine and display all wall opening face edges including elevation profile lines
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2015-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdWallOpenings.cs b/BuildingCoder/BuildingCoder/CmdWallOpenings.cs
index 1ec5df2..60e41e1 100644
--- a/BuildingCoder/BuildingCoder/CmdWallOpenings.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallOpenings.cs
@@ -2,7 +2,7 @@
 //
 // CmdWallOpenings.cs - determine wall opening side faces and report their start and end points along location line
 //
-// Copyright (C) 2015-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2015-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdWallProfile.cs b/BuildingCoder/BuildingCoder/CmdWallProfile.cs
index 76c99d0..e038cb7 100644
--- a/BuildingCoder/BuildingCoder/CmdWallProfile.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallProfile.cs
@@ -3,7 +3,7 @@
 // CmdWallProfile.cs - determine wall
 // elevation profile boundary loop polygons
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallProfileArea.cs b/BuildingCoder/BuildingCoder/CmdWallProfileArea.cs
index 6d12db0..a8c8181 100644
--- a/BuildingCoder/BuildingCoder/CmdWallProfileArea.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallProfileArea.cs
@@ -3,7 +3,7 @@
 // CmdWallProfileAreas.cs - determine wall
 // elevation profile boundary loop polygon areas
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/CmdWallTopFaces.cs b/BuildingCoder/BuildingCoder/CmdWallTopFaces.cs
index 90dbe3f..1b37641 100644
--- a/BuildingCoder/BuildingCoder/CmdWallTopFaces.cs
+++ b/BuildingCoder/BuildingCoder/CmdWallTopFaces.cs
@@ -2,7 +2,7 @@
 //
 // CmdWallTopFaces.cs - retrieve top faces of selected or all wall
 //
-// Copyright (C) 2011-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2011-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/CmdWindowHandle.cs b/BuildingCoder/BuildingCoder/CmdWindowHandle.cs
index 76e94a6..36d88bf 100644
--- a/BuildingCoder/BuildingCoder/CmdWindowHandle.cs
+++ b/BuildingCoder/BuildingCoder/CmdWindowHandle.cs
@@ -3,7 +3,7 @@
 // CmdWindowHandle.cs - determine Revit
 // application main window handle.
 //
-// Copyright (C) 2009-2020 by Jeremy Tammik,
+// Copyright (C) 2009-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/Creator.cs b/BuildingCoder/BuildingCoder/Creator.cs
index 31af5ae..b0e5ddc 100644
--- a/BuildingCoder/BuildingCoder/Creator.cs
+++ b/BuildingCoder/BuildingCoder/Creator.cs
@@ -2,7 +2,7 @@
 //
 // Creator.cs - model line creator helper class
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
diff --git a/BuildingCoder/BuildingCoder/JtNamedGuidStorage.cs b/BuildingCoder/BuildingCoder/JtNamedGuidStorage.cs
index ad2e298..bc03ac6 100644
--- a/BuildingCoder/BuildingCoder/JtNamedGuidStorage.cs
+++ b/BuildingCoder/BuildingCoder/JtNamedGuidStorage.cs
@@ -2,7 +2,7 @@
 //
 // JtNamedGuidStorage.cs - implement named Guid storage, e.g. for a globally unique project identifier
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/JtPairPicker.cs b/BuildingCoder/BuildingCoder/JtPairPicker.cs
index a2fc613..7b322d3 100644
--- a/BuildingCoder/BuildingCoder/JtPairPicker.cs
+++ b/BuildingCoder/BuildingCoder/JtPairPicker.cs
@@ -2,7 +2,7 @@
 //
 // JtPairPicker.cs - helper class to pick a pair of elements
 //
-// Copyright (C) 2014-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2014-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/JtParamValuesForCats.cs b/BuildingCoder/BuildingCoder/JtParamValuesForCats.cs
index 5f33c60..69398ca 100644
--- a/BuildingCoder/BuildingCoder/JtParamValuesForCats.cs
+++ b/BuildingCoder/BuildingCoder/JtParamValuesForCats.cs
@@ -2,7 +2,7 @@
 //
 // JtParamValuesForCats.cs - retrieve all parameter values for all elements of the given categories
 //
-// Copyright (C) 2018-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2018-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/JtTimer.cs b/BuildingCoder/BuildingCoder/JtTimer.cs
index 881fa12..64968c7 100644
--- a/BuildingCoder/BuildingCoder/JtTimer.cs
+++ b/BuildingCoder/BuildingCoder/JtTimer.cs
@@ -2,7 +2,7 @@
 //
 // JtTimer.cs - performance profiling timer
 //
-// Copyright (C) 2010-2020 by Jeremy Tammik, Autodesk Inc. All rights reserved.
+// Copyright (C) 2010-2021 by Jeremy Tammik, Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.
 //
diff --git a/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs b/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs
index 7bee637..c636d9b 100644
--- a/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs
+++ b/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs
@@ -10,7 +10,7 @@
 [assembly: AssemblyConfiguration( "" )]
 [assembly: AssemblyCompany( "Autodesk, Inc." )]
 [assembly: AssemblyProduct( "BuildingCoder" )]
-[assembly: AssemblyCopyright( "Copyright © 2008-2020 by Jeremy Tammik, Autodesk, Inc." )]
+[assembly: AssemblyCopyright( "Copyright © 2008-2021 by Jeremy Tammik, Autodesk, Inc." )]
 [assembly: AssemblyTrademark( "" )]
 [assembly: AssemblyCulture( "" )]
 
@@ -354,6 +354,7 @@
 // 2020-11-10 2021.0.150.9 implemented ListForgeTypeIds
 // 2020-11-25 2021.0.150.10 integrated simple updater sample from https://forums.autodesk.com/t5/revit-api-forum/iupdater-simple-example-needed/m-p/9893248
 // 2021-01-02 2021.0.150.11 implemented CreateConduitOffsets for https://forums.autodesk.com/t5/revit-api-forum/offset-conduit-only-by-z-axis/m-p/9972671
+// 2021-01-02 2021.0.150.12 incremented copyright year
 //
-[assembly: AssemblyVersion( "2021.0.150.11" )]
-[assembly: AssemblyFileVersion( "2021.0.150.11" )]
+[assembly: AssemblyVersion( "2021.0.150.12" )]
+[assembly: AssemblyFileVersion( "2021.0.150.12" )]
diff --git a/BuildingCoder/BuildingCoder/Util.cs b/BuildingCoder/BuildingCoder/Util.cs
index 43d6a09..c26232f 100644
--- a/BuildingCoder/BuildingCoder/Util.cs
+++ b/BuildingCoder/BuildingCoder/Util.cs
@@ -2,7 +2,7 @@
 //
 // Util.cs - The Building Coder Revit API utility methods
 //
-// Copyright (C) 2008-2020 by Jeremy Tammik,
+// Copyright (C) 2008-2021 by Jeremy Tammik,
 // Autodesk Inc. All rights reserved.
 //
 // Keywords: The Building Coder Revit API C# .NET add-in.