Monkey cube now expand when eaten, leading to !!FUN!!
Lowers caused damage to make it destroy organs rarer.
Moved same code into single organ helper to handle embedding.

Conflicts:
	code/modules/mob/living/carbon/human/human_damage.dm
	code/modules/mob/living/carbon/human/human_defense.dm
	code/modules/organs/organ_external.dm
Made monkey cube subtypes define what type of monkey they spawn instead of weird switch in Expand().
Rewrote belly expanding accordingly. Also now you get a living monkey from the monkey.

Conflicts:
	code/modules/reagents/reagent_containers/food/snacks.dm