Pull no longer works bad with medical machines

Mousedropping mobs into them now cancels your pull, so you don't, for
example, start pulling around your surgery patient on accident, or have a
funny pull that you need to use on something else, for sleepers.

Walking while inside of a sleeper will also let you exit it easily

code/game/dna/dna_modifier.dm

@@ -174,10 +174,6 @@
 	if(occupant)
 		user << "\blue <B>The DNA Scanner is already occupied!</B>"
 		return
-/*	if(isrobot(user))
-		if(!istype(user:module, /obj/item/weapon/robot_module/medical))
-			user << "<span class='warning'>You do not have the means to do this!</span>"
-			return*/
 	var/mob/living/L = O
 	if(!istype(L) || L.buckled)
 		return
@@ -193,7 +189,7 @@
 	visible_message("[user] puts [L.name] into the DNA Scanner.")
 	put_in(L)
 	if(user.pulling == L)
-		user.pulling = null
+		user.stop_pulling()
 
 /obj/machinery/dna_scannernew/attackby(var/obj/item/weapon/item as obj, var/mob/user as mob, params)
 	if(istype(item, /obj/item/weapon/screwdriver))

code/game/machinery/OpTable.dm

@@ -98,6 +98,8 @@
 		C.client.eye = src
 	C.resting = 1
 	C.loc = src.loc
+	if (user.pulling == C)
+		user.stop_pulling()
 	for(var/obj/O in src)
 		O.loc = src.loc
 	src.add_fingerprint(user)

code/game/machinery/Sleeper.dm

@@ -322,6 +322,11 @@
 	max_chem = E * 20
 	min_health = -E * 25
 
+/obj/machinery/sleeper/relaymove(mob/user as mob)
+	if(user.incapacitated())
+		return 0 //maybe they should be able to get out with cuffs, but whatever
+	go_out()
+
 /obj/machinery/sleeper/process()
 	if(filtering > 0)
 		if(beaker)
@@ -566,10 +571,6 @@
 	if(occupant)
 		user << "<span class='boldnotice'>The sleeper is already occupied!</span>"
 		return
-/*	if(isrobot(user))
-		if(!istype(user:module, /obj/item/weapon/robot_module/medical))
-			user << "<span class='warning'>You do not have the means to do this!</span>"
-			return*/
 	var/mob/living/L = O
 	if(!istype(L) || L.buckled)
 		return
@@ -600,7 +601,7 @@
 		L << "<span class='boldnotice'>You feel cool air surround you. You go numb as your senses turn inward.</span>"
 		src.add_fingerprint(user)
 		if(user.pulling == L)
-			user.pulling = null
+			user.stop_pulling()
 		return
 	return
 

code/game/machinery/cryo.dm

@@ -97,10 +97,6 @@
 	if(occupant)
 		user << "\blue <B>The cryo cell is already occupied!</B>"
 		return
-/*	if(isrobot(user))
-		if(!istype(user:module, /obj/item/weapon/robot_module/medical))
-			user << "<span class='warning'>You do not have the means to do this!</span>"
-			return*/
 	var/mob/living/L = O
 	if(!istype(L) || L.buckled)
 		return
@@ -117,7 +113,7 @@
 		else
 			visible_message("[user] puts [L.name] into the cryo cell.")
 			if(user.pulling == L)
-				user.pulling = null
+				user.stop_pulling()
 
 /obj/machinery/atmospherics/unary/cryo_cell/process()
 	..()