Update version number to match wxWidgets

(although I'm not sure we're ready for 3.0…)

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@74793 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix for when the icon is smaller than the text.  From Werner.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@74794 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Ensure True is returned if any window was restored

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@74795 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775