Merge pull request #4499 from Neerti/1/3/2018_why

Fixes Exploit with Power Tools

code/modules/mob/living/inventory.dm

@@ -149,6 +149,11 @@
 	set category = "Object"
 	set src = usr
 
+	if(world.time <= next_click) // This isn't really a 'click' but it'll work for our purposes.
+		return
+
+	next_click = world.time + 1
+
 	if(istype(loc,/obj/mecha)) return
 
 	if(hand)

code/modules/mob/living/silicon/robot/robot.dm

@@ -929,6 +929,11 @@
 	set category = "IC"
 	set src = usr
 
+	if(world.time <= next_click) // Hard check, before anything else, to avoid crashing
+		return
+
+	next_click = world.time + 1
+
 	var/obj/item/W = get_active_hand()
 	if (W)
 		W.attack_self(src)