Features:
Creatures receive stimuli for pushing, pulling and hitting them, and they vanish when eaten.
With Vampess's 'don't get stuck hopping on the ground' fix.
Balloon Bugs pop when hit.
Known bugs:
Still has the same class number as the original.
May break the Ettin Seed Bank due to having a different bhvr value.
Somewhat memory-intensive.
Overpopulates. This may be due to the fact that they're not programmed to die, unless eaten.
