- Changed the contract_disease proc clothing checks with respect to permeability_coefficient.

- Spaceacillin no longer heals all viruses.
- Some diseases must be cured with two or more chemicals simultaneously.
- Tweaked magnitis disease (now affects cyborgs).
- Added wizarditis disease.
- Tweaked some item properties.
- Added leather gloves for the Botanists.
- Some suits cannot be placed into backpack.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@321 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/storage/backpack.dm

@@ -38,6 +38,8 @@
 	if (src.contents.len >= 7)
 		return
 	if (W.w_class > 3 || src.loc == W)
+		if(W.w_class > 3)
+			user << "The [W] is too big to fit into the backpack."
 		return
 	var/t
 	for(var/obj/item/weapon/O in src)