Packets
=======

Ping
----

To tell the other side we're still alive.
Both server and client will send this if they haven't sent something in
a while.

Code: 0
Payload: none


Login
-----

Sent from client to serveri as a request to join. The server may
respond negatively if the player name is already taken or some cap has
been reached.

Code: 1
Payload:
	player name, max 32 byte UTF-8 string,
	shorter names should be zero terminated