CleverRaven/Cataclysm-DDA — pull request #5235 by KA101 (2013-12-28 00:22:31+00:00)
Title: [WIP] Mutcat thresholds

Starting with enforcing Purifiability on the IV purifier.

Got two more prereq slots in the pipe. With those, we should be ready to start getting mutagen-based posthumanity operational.