Lfun:	health - get a string containing the health status of a living

Synopsis:
	string health();

Description:
	The health function gets a string containing the health status
	of a living. It is used by the health command.

Return value:
	A string containing the health status of a living.

Examples:
	this_player()->health(); could return:
		"HP: 202/202, SP: 202/202."

Note:
	Kiri does NOT understand what it has to do in obj/living! ;-)

See also: helpdir/health, w/stat