Changes some 1s and 0s to TRUE and FALSE (#1967)

code/game/gamemodes/sandbox/airlock_maker.dm

@@ -26,7 +26,7 @@
 /datum/airlock_maker/New(var/atom/target_loc)
 	linked = new(target_loc)
 	linked.maker = src
-	linked.anchored = 0
+	linked.anchored = FALSE
 	access_used = list()
 
 	interact()

code/game/gamemodes/sandbox/h_sandbox.dm

@@ -128,10 +128,10 @@ GLOBAL_VAR_INIT(hsboxspawn, TRUE)
 				if(!admin) return
 				if(config.sandbox_autoclose)
 					to_chat(world, "<span class='boldnotice'>Sandbox:</span> <b>\black [usr.key] has removed the object spawn limiter.</b>")
-					config.sandbox_autoclose = 0
+					config.sandbox_autoclose = FALSE
 				else
 					to_chat(world, "<span class='danger'>Sandbox:</span> <b>\black [usr.key] has added a limiter to object spawning.  The window will now auto-close after use.</b>")
-					config.sandbox_autoclose = 1
+					config.sandbox_autoclose = TRUE
 				return
 			//
 			// Spacesuit with full air jetpack set as internals