Makes all global variables handled by the GLOB controller (#13152)

* Handlers converted, now to fix 3532 compile errors

* 3532 compile fixes later, got runtimes on startup

* Well the server loads now atleast

* Take 2

* Oops

code/game/objects/items/weapons/storage/boxes.dm

@@ -1059,6 +1059,7 @@
 	name = "clown box"
 	desc = "A colorful cardboard box for the clown"
 	icon_state = "box_clown"
+	var/robot_arm // This exists for bot construction
 
 /obj/item/storage/box/emptysandbags
 	name = "box of empty sandbags"