safety_gym/envs/engine.py (4 lines):
	- line 121: # TODO: randomize starting joint positions
	- line 438: # TODO: comparative study of the performance with and without this feature.
	- line 641: # TODO: parse into only the pieces we want/need
	- line 1168: # TODO: penalize rotational velocity too, but requires another cost coefficient


safety_gym/envs/world.py (2 lines):
	- line 29: TODO:
	- line 93: # TODO: remove this when mujoco-py fix is merged and a new version is pushed