Also use sed to remove now unneeded Vim lines, 2to3 -f ws_comma to fix
some whitespace, and fix some other madness manually.

also use 2to3 -f ws_comma to fix some whitespace

holy diff batman!

Renamed a few methods, refactor on_*_button_toggled, use getattr/setattr instead of eval/self.__dict__

There is still room for improvement, but it should be better.