Update ez_setup script

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@76570 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Improve frame and app cleanup in WidgetTestCase

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@76571 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix context manager support for wx.TheClipboard.
Add some more clipboard tests.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@76572 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Update TODO

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@76573 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Ensure all dataobj classes have declarations for the base class pure virtuals.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@76574 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775