Remove Python 2.6 support.
Remove Python 2.6 support.

lepture/misaka,lepture/misaka,Weasyl/misaka,Weasyl/misaka,FSX/misaka,Weasyl/misaka,Weasyl/misaka,FSX/misaka,FSX/misaka,Weasyl/misaka,lepture/misaka,FSX/misaka