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/game/objects/items/crayons.dm

@@ -85,7 +85,7 @@
 				uses--
 				if(!uses)
 					user << "\red You used up your crayon!"
-					del(src)
+					qdel(src)
 	return
 
 /obj/item/toy/crayon/attack(mob/M as mob, mob/user as mob)
@@ -97,6 +97,6 @@
 			uses -= 5
 			if(uses <= 0)
 				user << "\red You ate your crayon!"
-				del(src)
+				qdel(src)
 	else
 		..()