-Kernel reference is now saved as an instance variable on Handler, rather tan being passed on every call of
Handler#handle
-Handler now has Handler#handle_chat which handles anything received via PRIVMSG or NOTICE
-Handler#handle now checks for command 433 (nick in use) and makes the bot quit with an error message
-"go away, <bot nick>" now makes the bot quit
-IrcBot now has getters for IrcBot#nick and IrcBot#connected
-The main loop's condition is based on wheter the bot is connected or not
-IrcBot#disconnect exits