Offline sync via NSPersistentHistory, support for CloudKit Sharing

.gitignore

@@ -65,3 +65,4 @@ fastlane/report.xml
 fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
+.DS_Store

.travis.yml

@@ -1,5 +1,5 @@
-osx_image: xcode9.2
-language: objective-c
+osx_image: xcode12.5
+language: swift
 podfile: "Example/Podfile"
 
 branches:
@@ -8,7 +8,7 @@ branches:
 
 env:
   - DESTINATION='platform=OS X' POD_LINT="YES"
-  - DESTINATION='platform=iOS Simulator,name=iPhone 6S' BUILD_EXAMPLE="YES"
+  - DESTINATION='platform=iOS Simulator,name=iPhone XS' BUILD_EXAMPLE="YES"
   - DESTINATION='platform=watchOS Simulator,name=Apple Watch - 38mm' SKIP_TEST="YES"
   - DESTINATION='platform=tvOS Simulator,name=Apple TV 4K'
 

CloudCore.podspec

@@ -1,25 +1,26 @@
 Pod::Spec.new do |s|
   s.name             = "CloudCore"
-  s.summary          = "Framework that enables synchronization between CloudKit (iCloud) and Core Data. Can be used as CloudKit caching mechanism."
-  s.version          = "2.0.1"
-  s.homepage         = "https://github.com/sorix/CloudCore"
+  s.summary          = "Framework that enables synchronization between CloudKit and Core Data."
+  s.version          = "5.1.0"
+  s.homepage         = "https://github.com/deeje/CloudCore"
   s.license          = 'MIT'
-  s.author           = { "Vasily Ulianov" => "[email protected]" }
+  s.author           = { "deeje" => "[email protected]", "Vasily Ulianov" => "[email protected]" }
   s.source           = {
-    :git => "https://github.com/sorix/CloudCore.git",
+    :git => "https://github.com/deeje/CloudCore.git",
     :tag => s.version.to_s
   }
 
-  s.ios.deployment_target = '10.0'
-  s.osx.deployment_target = '10.12'
-  s.tvos.deployment_target = '10.0'
-  s.watchos.deployment_target = '3.0'
+  s.ios.deployment_target = '13.0'
+  s.osx.deployment_target = '11.0'
+  s.tvos.deployment_target = '12.0'
+  s.watchos.deployment_target = '6.0'
 
   s.source_files = 'Source/**/*.swift'
 
   s.ios.frameworks = 'Foundation', 'CloudKit', 'CoreData'
   s.osx.frameworks = 'Foundation', 'CloudKit', 'CoreData'
+  s.tvos.frameworks = 'Foundation', 'CloudKit', 'CoreData'
+  s.watchos.frameworks = 'Foundation', 'CloudKit', 'CoreData'
 
-  s.pod_target_xcconfig = { 'SWIFT_VERSION' => '4.0' }
-  s.documentation_url = 'http://cocoadocs.org/docsets/CloudCore/'
+  s.swift_versions = [5.1]
 end

CloudCore.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

CloudCore.xcodeproj/xcshareddata/xcschemes/CloudCore.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1330"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,9 +26,17 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D5B2E89E1C3A780C00C0327D"
+            BuildableName = "CloudCore.framework"
+            BlueprintName = "CloudCore"
+            ReferencedContainer = "container:CloudCore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -41,23 +49,11 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D5B2E89E1C3A780C00C0327D"
-            BuildableName = "CloudCore.framework"
-            BlueprintName = "CloudCore"
-            ReferencedContainer = "container:CloudCore.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
@@ -73,8 +69,6 @@
             ReferencedContainer = "container:CloudCore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"