Java Edition Classic server 1.4

1.4 was a server version of Java Edition Classic released on June 13, 2009, at 13:30 UTC.

Additions

 * Commands.
 * Added server support for the command.

Changes

 * Multiplayer
 * The server now checks all incoming strings, verifies that they are all within reasonable limits, and kicks the sender if they are not.
 * Logging
 * Server output is now logged in file server.log

Fixes

 * Fixed an exploit where people could crash everyone connected to a server by sending a fake text message.
 * The client would gladly attempt to render weird unicode characters, but would crash when trying to look up entry ten thousand in a 256 entry array.
 * Fixed an error "Clicked outside the map".