Name: add_map - add a map to the player's list of maps

Syntax:
	add_map(string map)

Description:
	The add_map function adds a map to the player's list of maps.
	Possible maps are listed in /include/map_defines.h.

Return value: none

Examples:
	this_player()->add_map("garham_vill");

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