Bukkit

V 1.0:

BatBoxes created!

V 1.1:

Added configurations (Spawn chance and settings for double chests)

V 1.2:

Fixed a bug where it would spam the console if a player tried to place a chest near a double chest or shift click a chest.

V 1.3

• Added multiworld support (allow you to choose which worlds bats spawn from chest (all by default))
• Added more configurations (light level mobs spawn at (all by default))

V 1.3.1

Fixed a bug were single chest spawned two bats as if they were double chests. Thanks to MrDATMAN2011's showcase video for pointing this out.