git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37426
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
Added wxPython wrappers for the new wx.Treebook and wx.Toolbook
classes.
+wx.DC.BeginDrawing and EndDrawing have been deprecated in the C++
+code, so since they never really did anything before they are now just
+empty stubs in wxPython.
+
Solved a problem that has been around for a very long time in how C++
methods are virtualized for overriding in derived Python classes.
Previously we couldn't do it for methods that needed to exist in the