Initial commit
Build build build
Improve structure
Build build build
Build build build
Simplify
Add plugin system
Plugin system
Plugin system
Update for Ruby 1.9.2
Force UTF-8
Add translation plugin
Ignore case for botcommands
Update loader plugin
Prevent unloading Loader plugin

- If it fails to load properly on reload, the !load command won't work again, though.
Improve wording
Ignore case for help on botcommands
Fix bug where downcase was called on nil
Add on_quit listener to IRCChannel
Fix encoding issue