General:
- sizers only required where wx requires them; not required e.g. for Frame->Panel (used to be Frame->Sizer->Panel)
- better handling of display updates when properties are edited
- accessibility and usability improvements
- Dialog example
- documentation update
Internal:
- internal structures refactored
- add shell window and Tree Printer
Widgets:
- all: separate class related properties into Class / Base Classes / Instance Class
- Dialog: add StdDialogButtonSizer and standard buttons (stock items); support SetAffirmativeId, SetEscapeId
- Button: support for image direction
- MenuBar: support lambda event handlers
- GridBagSizer: indicate overlapped slots in the Tree view
Generated Code:
- no separation into __set_properties/__do_layout any more
- support for instantiation classes