[__init__] Add -git to version

This way we know if people are using a stable version or not
[core] Clean up bot.Willie.call.
[core] Clean up bot.Willie.dispatch.

Also fix bugs in handling of nick and hostmask blocks.
bot.py: remove max_messages assignment inside say

max_messages value not passed through to bot.msg, breaking chunking up of messages larger than 400 chars
irc.py: decrement max_messages when recursing msg()

msg() doesn't honor max_messages without decrementing it when recursing
Merge pull request #298 from Preston4tw/patch-1

[core] Fix the limiting of the number of pieces a message can be split.
[setup] Actually actually fix install problems

Who knew it was as easy as a one-line MANIFEST template?
People who RTFM, that's who.
[gitignore] Remove a couple unneeded options, and add stuff created by setup.py
[setup] Remove unused import

I'd been experimenting, and forgotten I'd put it in there.