Fixed psychic reinforced table deconstruction

Fixed issue 270
- Changelings now have an "isabsorbing" var to prevent spamming absorb for free chems.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2766 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/tables_racks.dm

@@ -224,18 +224,18 @@ TABLE AND RACK OBJECT INTERATIONS
 				W:welding = 2
 				user << "\blue Now weakening the reinforced table"
 				playsound(src.loc, 'Welder.ogg', 50, 1)
-				sleep(50)
-				user << "\blue Table weakened"
-				src.status = 1
-				W:welding = 1
+				if (do_after(user, 50))
+					user << "\blue Table weakened"
+					src.status = 1
+					W:welding = 1
 			else
 				W:welding = 2
 				user << "\blue Now strengthening the reinforced table"
 				playsound(src.loc, 'Welder.ogg', 50, 1)
-				sleep(50)
-				user << "\blue Table strengthened"
-				src.status = 2
-				W:welding = 1
+				if (do_after(user, 50))
+					user << "\blue Table strengthened"
+					src.status = 2
+					W:welding = 1
 			return
 		if(isrobot(user))
 			return
@@ -247,10 +247,10 @@ TABLE AND RACK OBJECT INTERATIONS
 		if(src.status == 1)
 			user << "\blue Now disassembling the reinforced table"
 			playsound(src.loc, 'Ratchet.ogg', 50, 1)
-			sleep(50)
-			new /obj/item/weapon/table_parts/reinforced( src.loc )
-			playsound(src.loc, 'Deconstruct.ogg', 50, 1)
-			del(src)
+			if (do_after(user, 50))
+				new /obj/item/weapon/table_parts/reinforced( src.loc )
+				playsound(src.loc, 'Deconstruct.ogg', 50, 1)
+				del(src)
 			return
 	if(isrobot(user))
 		return