Crabe's cannibalism

Disclaimer:
  I do not condone the content of this mod in real life (obsiously)

        This is my first mod so it's likely that there are a few bugs, I will try to fix them in the coming days so don't hesitate to mention any bug in the comments.

Content:

This mod adds:

1. A new mob
2. A new structure
3. Meat obtainable by killing villagers, illagers and players
4. Blocks
5. Achievements
6. Weapons
7. Utility crafts