+Updated wxColumnSorterMixin to also be able to place sort icons on the
+column headers, and updated the wxListCtrl demo to show it off by
+using wxColumnSorterMixin.
+
+Added wxGenBitmapTextButton, TablePrint, etc. contribs from Lorne White.
+
+Added wxNativeFontInfo and wxFontMapper.
+
+Added pySketch to the samples.
+
+Significantly changed how the Python interpreter lock and thread state
+are managed, which should fix the problem of running on a
+multi-processor machine.