Some tiny additions/fixes based on reports.
-Fixed: Crash bug with Defiled Lands
-Fixed: A couple null stacks (can cause crashes)
-Added: Information to the pumps.
-Added: Manual restock button (that refills inventory based on a button press)
-Added: Cooldown of 2.5 seconds to the manual refill, for server owner safty.
-Added: Lang for localization of the new features