Updates the atom_pool, now datum_pool, to handle any datum object.

Makes the garbage collector similarly robust. Continues the whole Destroy/qdel porting.

code/modules/virus2/biohazard destroyer.dm

@@ -10,7 +10,7 @@
 	for(var/path in accepts)
 		if(I.type in typesof(path))
 			user.drop_item()
-			del(I)
+			qdel(I)
 			overlays += image('icons/obj/pipes/disposal.dmi', "dispover-handle")
 			return
 	user.drop_item()

code/modules/virus2/items_devices.dm

@@ -64,7 +64,7 @@
 			for(var/mob/living/carbon/target in view(1, get_turf(src)))
 				if(airborne_can_reach(get_turf(src), get_turf(target)))
 					infect_virus2(target, src.virus2)
-		del src
+		qdel(src)
 
 /obj/item/weapon/virusdish/examine(mob/user)
 	..()
@@ -91,7 +91,7 @@
 
 	if(prob(50))
 		user << "\The [src] shatters!"
-		del src
+		qdel(src)
 
 ///////////////GNA DISK///////////////