Added optional color feature to shots and bullets, each shot can now have its own color (example usage could be to differentiate human and zombie shots)
Cleaned up comments about optional args in shottypes.js
clarify speedBullet is optional arg in genSingleBullet
Switch tryGenColor to genColor since a color hexcode is always returned, clarify defaultColor is optional in genColor
Merge pull request #17 from breaks/master

Added optional color feature to shots and bullets, each shot can now hav...