Name: query_last_dir - get the last direction a living went

Syntax:
	string query_last_dir()

Description:
	The query_last_dir call returns the last direction a living was going.

Return value:
	If the living has teleported or hasn't moved, 0 is returned. Else the
	return value is a string containing the last direction.
	
Examples:
	string last_dir;
	last_dir=this_player()->query_last_dir();

See also: