Wheelchairs

Created by: unid15

Adds wheelchairs to the game (sprites from Baystation)

While they don't give as much mobility as hyperzine does, they allow players without legs (or otherwise unable to stand) to properly use computers and pick up items. You need at least one hand to use a wheelchair. The more hands you have, the faster you go. Holding items in hands decreases the wheelchair's speed. Holding stuff in both hands makes you drive as if you were one-handed, being one-handed while holding an item makes you very slow etc.

Wheelchairs can be found in medbay (which is provided two at roundstart) or ordered from cargo for 40$ each.

Characters with both their feet missing start with a wheelchair

Monkeys and xenos can use them as well (but since the wheelchair isn't fit for them, they use it 2x slower, and are unable to use it with both hands occupied)

other changes: all vehicles now have a speed variable which can be changed to make them slower (or faster) all vehicles now have a maximum health variable (previously only clowncart had one)