console now exposed to /eval
+ /weather, still pretty beta
removed /weather temp range, added celsius conversion
partially implemented #48 (no year support), added left-out weather file
added actual error handling to /history
rewritten /define to use wiktionary
added some /weather error handling
added $ as a valid command name character
added YYYY-MM-DD handling for /inhistory (#48)
added YYYY handling to /inhistory (fixes #48)
properly did /inhistory YYYY handling (fixed #48 fo realz)
+ /youtube (fixed #49); a little stricter /inhistory param check
fixed bug in /help (thanks @benjamingr)
changed karma listener to be more free (subject-wise); requested by @rlemon
added cm to /convert
fixed /tell weirdness (it no longer parses input or slices blindly)
fixed zwnj related errors (chat used that character to separate lines, it fucked things up)
added /welcome command (#50)
fixed no-op /welcome, added help message (#50)
added fallback from socket to polling