Fix the Boomerang bug for current game version(161129)
Improve boomerang with custom settings

Options:

Fix Bug: Fix the Boomerang bug for current game version(161129). One may turn this option off after klei fix it. Default: On

Auto Catch: Turn auto catch On/Off. 
There is also an option "Drop" which make the boomerang returning behavior a little different: after the boomerang hit or miss the target, it will return to the player in a way that the speed is reduced by time, and finally drop on the ground. In this mode, the boomerang will not be caught automatically, nor it will hit the player. It will fly in a direct line if you missed it. You can always catch it while it is on the fly, or pick it up after it drops on the ground, except that when it drops into the sea. Default: On

Fast Catch: An option will make the catch action less laggy. The default catching action will stop the character for a short period, which makes it feels not so good, especially in auto catching mode. With this option on, the stop period will be shorter. It's recommend to keep this option on, unless it cause some problem. Default: On

Uses: Change use count for boomerang: Default: 30

Damage: Change damage dealt by boomerang, Default stand for its default value, Huge is 1000  spear damage, and other options use the same damage as its corresponding weapon type. Default: Default
