Spouse player is now notified of baby ready to grow
Few errors in player interaction gui fixed
Try to assign entity from entities map if null

Fixes notifications about entities no longer loaded in the client world,
such as a player's child. "%Name% doesn't have a home point set" should
no longer happen.
Organize imports
Labels now appear on servers.
More secure WPM, possibly fixes #84, #85
Changes to setup GUI