Add RPL_ISUPPORT parsing
Allow hooking to any IRC command
Add support for arbritrary status modes via the ISUPPORT PREFIX value
Save the server's MOTD

Conflicts:
	handlers.lua
Fix typo in defaultNickGenerator comment
Add Message class and constructors for common messages
Use Message objects internally and pass one to Do* hooks
Add support for IRCv3 message tags
Add a message queue