Useful Cows[Much more Cows] Mod

New Features:

Added Sponge Cow(Absorbs certain amount of water, can be configured in config!).

Added Smart Cow(May Open doors, place and take blocks, carry blocks).

Tweakes And Fixes:

Hallowen cow has now more randomization!.

Fixed Quartz Cow, Obsidian Cow And Glowstone Cow Spawning in the nether.