5.0.0-rc1

Changes between 4.6.2 and 5.0.0 (as of 2014-01-12)

This release contains backwards-incompatible changes. See
http://willie.dftba.net/willie_5.html for more information.

Module changes (for users):

• YouTube no longer shows bizarre lengths when the bot is running under Python 3
• When Wikipedia links are posted, a snippet of the article is shown

Core changes (for users):

• WillieDB is entirely rewritten, meaning migration will be needed to access old data
• Logging output to the debug channel is improved
• The name of the NickServ user can be configured with nickserv_name in [core]

API changes (for developers):

• Deprecated WillieDB functions are removed
• CTCP actions are stripped prior to matching, and added to the 'intent' key of trigger.tags
• Deprecated Trigger functions are removed
• bot.debug is removed, in favor of standard Python logging
• tools.Nick is removed, in favor of the tools.Identifier introduced in 4.6.0