Pannellum 2.5.0

New Features:

• The background color can be set for partial panoramas
  (backgroundColor parameter)
• Partial panoramas are now supported for the multiresolution format
• An author URL can now be added (authorURL parameter)

New API functions:

• Added fullscreenchange, zoomchange, and animatefinished events
• Added stopMovement function for stopping all viewer movement

Improvements:

• Equirectangular images are now automatically split into two separate
  textures if they're too big (images up to 8192px wide should now be
  widely supported)
• Improved render quality for equirectangular images on mobile (using highp
  for fragment shader)
• Keyboard events for keys not used by the viewer are no longer captured, and
  the list of captured keys is configurable (capturedKeyNumbers parameter)
• Multiresolution tiles can now be generated from cylindrical panoramas
• Hot spots can now be removed from scenes that aren't currently loaded
• Hot spot cursor is now set via CSS class (so it can be overridden)
• Hot spot link attributes can now be set (attributes parameter)
• The "friction" that slows down the viewer motion can now be configured
  (friction parameter)
• Dynamic scenes are now properly supported for tours

Bugfixes:

• Fixed regression in fallback renderer
• Fixed bug with URL encoding
• Fixed regression in Video.js plugin
• Fixed auto-rotate bug that was manifested when using API to set view
• Fixed full screen bug in Chrome
• Fixed bug with removing event listeners
• Fixed issue with mouse dragging causing jump around yaw limits
• Fixed bug with deleting hot spots
• Fixed bug with fading between scenes

Other:

• Added limited test suite / continuous integration
• Removed requestAnimationFrame shim, dropping support for some
  older browsers