Further clean up code, remove some arg defaults, fix some bugs

code/modules/clothing/spacesuits/rig/rig.dm

@@ -155,9 +155,8 @@
 		if(piece.siemens_coefficient > siemens_coefficient) //So that insulated gloves keep their insulation.
 			piece.siemens_coefficient = siemens_coefficient
 		piece.permeability_coefficient = permeability_coefficient
-		if(islist(armor))
-			var/list/L = armor
-			piece.armor = L.Copy()
+		if(armor)
+			piece.armor = armor
 
 	update_icon(1)
 

code/modules/power/singularity/particle_accelerator/particle_control.dm

@@ -24,6 +24,7 @@
 	wires = new(src)
 	connected_parts = list()
 	update_icon()
+	use_log = list()
 
 /obj/machinery/particle_accelerator/control_box/Destroy()
 	if(active)