DONE Plants require 4 light, mushrooms only 2
DONE Harvesting should report how many items were harvested (whether plantbag is used or not)
DONE Plantbag should have a mode to only pick up one kind of plant at a time. Trash and ore bags too.
DONE 1 unit of mutagen should cause non-species mutations. (Radium too)
DONE Uranium should be like radium but even weaker