Name: get_dir - get the contents of a directory

Syntax:
	string *get_dir(string path)

Description:
	The get_dir takes a path as argument and returns the file names in
	that directory.

Return value:
	It returns an array of strings containing the file names.

Examples:
	get_dir("/w/") and
	get_dir("/w")		return ({ "w" })
	get_dir("/w/*") 	returns contents of directory "/w"
	get_dir("/") and
	get_dir("/*")		return contents of directory "/".
	get_dir("*")		returns contents of current working dir of
				this_player()

See also: lib/ls, efun/directory