Cleanup ping function.

If you type .ping kosgan10 in IRC, bot will ping again kosgan10... lol
Add ability to ignore chat from specific channels.
Only try to reconnect if the connection was reset by peer.
Tweak 'time delta to string' util.
Add more error logging/handling.

Correctly decode readbuffer data.
Add vimeo function.
Fix linktitle function for specific oc.tc forum links & log errors to
master channel.
Default value for player function

If a player executes .player without any arguments, it (should) use their IRC name for pinging oc.tc
Fix camel case.