Updates import to irclib 2.0.4

Signed-off-by: Mathias Garbe <mail@mathias-garbe.de>
Simplifies module setup

Signed-off-by: Mathias Garbe <mail@mathias-garbe.de>
Adds a BotCommand class used to pass commands

Signed-off-by: Mathias Garbe <mail@mathias-garbe.de>