Fix for internal organ surgery

Fixes internal organ surgery, and some other places where the same
problem would have cropped up
New positive random event, yay
Merge pull request #299 from VampyrBytes/master

Fix for internal organ surgery
Did those mech changes I wanted to do a while ago, reverted gamma armory to old behavior.
Merge branch 'master' of https://github.com/ZomgPonies/Paradise
Merge pull request #289 from ZomgPonies/master

Patch