Configuration Controller (#7857)

code/_helpers/_lists.dm

@@ -29,6 +29,12 @@
 			return FALSE
 
 	return TRUE
+
+/// Returns the top (last) element from the list, does not remove it from the list. Stack functionality.
+/proc/peek(list/target_list)
+	var/list_length = length(target_list)
+	if(list_length != 0)
+		return target_list[list_length]
 //CHOMPEdit End
 
 //Returns a list in plain english as a string