Compressed entity data when sent to the client. Less precise client-side values, but that's alright. Saves a lot of space and allows for a lot more information to be sent.

Added familiarity indicator to animals. Sneak to see it. It will have a white border if the familiarity will no longer decay. It will turn gold when familiarity is maxed out.
Vanilla sticks and planks will get replaced with TFC items on pickup, solves the boat crash drops.
Making a new world will crash because the cache is empty.
Place Hides on top, and do air block check.
Merge pull request #640 from fuami/fix_leather_rack_block_delete

Place Hides on top, and do air block check.
Config Changes - Removed enableInnerGrassFix config, added configs for disabling cave ins and changing the spawn protection buffer.