0.8

Massive refactoring and improvement of all facets of the babble command.
Add tjbash command.
Improve stats command to show most active bot users and handle commands with the same names as nicks.
Add lenny/reverse/yoda filters.
Improve traceback handling.
Improve handling of over-long messages.
Allow hooks to be enabled and disabled dynamically.
Improve documentation generation.
Log usage of !msg to the control channel.