todo: 
	test network functionality with paketloss/delay: http://www.linuxfoundation.org/en/Net:Netem#Packet_loss

	minimize synchronisableHeader

	!!! ensure that objects get synched, when newly created, even if not their tick

	setvariable mode
	objectmode
	priorities (put into gamestatehandler)
		manage delete object handling (only send deletes of acked objects)