MONKEY MODE REDUX

AHUAHEUAHUHEGUEHGAUHEGUAEH

monkeys will now possibly transfer all diseases on bite because that's how diseases kinda work
Changelings can use hivechat while muzzled.
Monkey-lings can use hivechat.
Lings can return to human form even if monkeyed through genetics.
One-line fix for Destroying Angels (..() wasn't being called)
Spelling correction in Destroying Angel description
Merge branch 'master' of https://github.com/tgstation/-tg-station into MidJuneBugfixes

Conflicts:
	code/modules/mob/living/carbon/carbon.dm
Replaced var/sizes_to_number with weirdass formula that is faster and takes up less space in code than list lookups
Update singularity.dm

Removed comment
Merge pull request #4008 from advomach/master

List lookup to actual math
Merge pull request #3949 from Rolan7/MidJuneBugfixes

Changeling/say code bugfixes
Merge pull request #4000 from Cheridan/terribleidea

MONKEY MODE REDUX
Typo Fix
Resolved Conflicts:
	code/modules/mob/living/carbon/carbon.dm