Misc fixes to core; Auth plugin working (testing)

guppy.py

irc.py

plugins/auth.py

plugins/channeltools.py

plugins/ddg.py

plugins/die.py

plugins/dns.py

plugins/dynacode.py

plugins/games.py

plugins/info.py

plugins/ping.py

plugins/printer.py

plugins/rpn.py

plugins/smack.py

plugins/wikipedia.py