Add supybot.plugins.Channel.banmask, to set the default style banmask to use in kban.
Add supybot.plugins.Channel.banmask, to set the default style banmask to use
in kban.

raboof/supybot,ProgVal/Limnoria-test,Ban3/Limnoria,prashantpawar/supybot-rothbot,frumiousbandersnatch/supybot-code,buildbot/supybot,jeffmahoney/supybot,ProgVal/Limnoria-test,mazaclub/mazabot-core,mazaclub/mazabot-core,Ban3/Limnoria,kblin/supybot-gsoc,haxwithaxe/supybot