Removed debug sending of ack when program starts.
Fixed addUser always adding new users.
Fixed removeUser never removing users.
Fixed GUI Update not updating.
Merge branch 'peter'
Fixed second gui added messages to textarea
Added global public_chat_room_name variable
Added global logger_level variable
Fixed ACK and SYN sending
Added getAcks and getAckIps methods to AckLogElement
Fixed ack-sending more.
Fixed ChatParser message parsing.
Fixed bufferUnderflowError in AckParser.
Merge conflicts
added buttons second gui
Merge branch 'jeroen'
General cleanup of debug logging.