Can now connect cryo pods and computers with each other using the new multitool methodology.

Also cleans up Destroys().

code/game/objects/objs.dm

@@ -21,7 +21,8 @@
 	processing_objects -= src
 	for(var/expansion in expansions)
 		qdel(expansions[expansion])
-	expansions.Cut()
+	if(expansions)
+		expansions.Cut()
 	return ..()
 
 /obj/Topic(href, href_list, var/datum/topic_state/state = default_state)