0.13

Implement shibe filter.
Require unicode-compatible column types for db.
Add documentation on where to find the api keys.
Significantly improve the define command.
Make the bot work with a MySQL backend.
Return the version correctly if not running from git.
Add the man command.
Make the bot exit cleanly for some initialization failures.
Make !weather geoip lookup work for ipv6 addresses.
Make !define try a few times to get a random definition.
Don't warn about invalid filters unless we're actually running a command.
Improve initial config setup to use the example groups.cfg.
Allow the bot to be installed and run from site-packages.

Issues Fixed: #444, #1006, #1013, #1028, #1038, #1054, #1056, #1060, #1064, #1066, #1072, #1074