ContentTweaker

Fixes:

• Food not respecting "alwaysEditable" 
• Food not having the properly named "alwaysEdible"
• BlockPos now extends CraftTweaker's BlockPos
• World now extends CraftTweaker's World
• Methods for getting Material System info now static and able to be called

New:

• Custom Tinker's Material Handling (Kindlich)
• ChickensMod compat! You can now create custom Chickens of your own (Docs Coming)
• Blocks can now control their own Drops! Probably one of the most asked for features