If two players connects at the same time, they will not see each other

[Baldie-dev]

When two players connect at the same time, they will not see each other and the "Loading" message will freeze on the Host side:

[hubastard]

Yeah, we will need to make a pending player queue and make sure only send the PlayerSyncComplete packet once all the pending players are done loading.

[Mushroom]

I had this in mind when I created the "pendingPlayers" list during the handshake phase, so it should be easy to modify it to do as required