added handling for when the site is down in weather.py
fixed a problem where invalid URLs were being checked
restrict controls for uno games to in-channel
add ability for case insensitivity for jenni's nick
changed output in channel of .nws to list only the headlines
reduced global rate limit to 3 seconds for nondefined functions

* also fixed a bug of some messages not being compared and just silently
* dropping when they shouldn't have been
fixed several bugs

* fixed an injection attack when using automatic URL title (thanks dpk!)
* fixed a problem where the original url was being repeated in a channel
  where bitly was disabled
* also added the ability for jenni not to ruin "burn after read" pastes
  on zerobin.net
added in baseball.py functionality for looking up MLB games