v0.52 (unstable) - Creatures & Vehicle Tools

There's a new set of builds up that are marked "unstable" to test out features for v0.52!

• It adds the first of the new creatures to the game!
• Adds a Vehicle Repair Kit (repairs vehicle damage) - consumed on use, 1-per item stack.
• Adds a Battery Jumper item - that will add 50% charge to a vehicle, or fully recharge your suit power - also consumed on use, 1-per item stack.
• Added a gate to go along with the metal walls.