Multiplayer Update

Hey everyone. I've worked on the project some tonight, and I've almost got multiplayer going! It will support 4 players at one time. There's one issue though: I've tested it with a friend, and his client doesn't seem to stay in sync with the server. I'm not sure if this is lag generated by the many command clocks or general unstable-ness from being in a snapshot. Either way, when I finish it up tomorrow, I'll release a new random seed survival world with multiplayer in it and an MCEdit schematic just as I have in the past.