Randomize non-medical chem recipes every round

[LinkDaWolf]

Making medical chems random is a perfect way of making people make even less of them.
Also it could end up fucking you over if you're making something.
e.g: you're trying to make cyanide and end up with silver sulfadiazine (or something)

the idea was that all chems OTHER than medical chems get randomized

so silver sulfadiazine would have a static recipe while cyanide would not