Name: query_map - check if a player has a specific map

Syntax:
	int query_map(string map)

Description:
	The query_map function chskes if a player possesses a specific map.
	Possible maps are listed in /include/map_defines.h.

Return value:
	1, if the players has the map, 0 if not.

Examples:
	int has_map;
	has_map=this_player()->query_map("garham_vill");

See also: player/add_map, player/remove_map, player/maps