Issue 17: Implement status listeners for objects
Project Member Reported by johnamag...@gmail.com, Jan 8, 2012
For example:
{{{
someobject.addListener(self)
}}}

And when someobject changes,
{{{
listener.statusUpdate(self)
}}}

This could be useful, for example, for locations to listen to player objects who disconnect, then automatically notify and remove the player from the room.