[x] critters need to have 3 states. Friendly, Hostile or Enemy.
[x] critters need a tolerance level + methods relating to it
[x] hostile critters need to be able to fight crew (on planets) and ships (in space)
[ ] crew need to be able to fight critters. (optional)
[x] ship's need to be able to fight critters.
[ ] defeated critters need to be added to ships as workers or prisoners (in weapons when pewpew is used, it needs to call spacecraft's addCritterPrisoner(Critter* c) method, everything else done).
[x] communication with critters (interpreter design pattern)
Critters