Added bot_invite_event to Oracle class in bot.py
Error handling of get_module_from_string is now outside of the function
Added join_channel to IRC class in irc.py
Moved .doc command to modules.admin
Changed some ranks in modules.admin
Made universal names for arguments in commands (l, b, i)
Added child command support in modules.help
Added command desc for .seen and added .listusers in modules.stats
Changed rank default in user.json to 'user' rather than 1