Remove all <PircBotX> type arguments, vol. 1
Remove all <PircBotX> type arguments, vol. 2
Messing around with hostmasks
A bot can now be in multiple servers? Seems fine but I don't exactly see the purpose, and I'm sure as hell not gonna throw over my bot wrapper threads. Anyway, made one line 300% longer to reflect that. Wow this is a long commit message
Get rid of UserChannel.getTopicSetter() for PBX 2.1
Turns out a user is also a user hostmask, so let's use that instead.