Add multichannel support to the irc-bot.
Fix config keyname to channels.
config: channels is now a dict.
Channels now have names. _channel_ is the main channel.
Fix privmsg bug.
bot-irc: Improve user_flags function
bot-irc: Use reverse lookup dict for chan_alias -> channel lookup
bot-irc: Cleanup: Remove unused imports, variables
bot-irc: Add space to __author__