Test 802

* WMLL should no longer throw a (caught) NullPointerException when
connecting to SMP servers.
* Fixed some Classic ouputs becoming miss-aligned on SMP servers while
in the End or Nether.
* WMLL will no longer accept "0" as a world seed.
* Fixed "java.net.Socket cannot be cast to java.net.SocketAddress" error
when WMLL tries to get the IP of a server.