This is how the game communicates
over the network. Integer numbers can be sent to the other players
and can be given any type or content that you want, just as long
as on the receiving end they are handled in the same way.
type is the type of the message. This can be given
any integer value you want.
content is the content of the message. This can also
be given any integer value you want.
You will not receive any messages
that were sent from yourself.