Added sending an ack on incoming non-ack message
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.