First defined in: FKiSS4
		The savevalue action saves a value to disk which can be loaded
		again later, even during future sessions.
    
		name
		
		name is an identifier under which the value
		will be stored. It may be between 1 and 64 characters. They may contain
		letters, digits,  hyphens, and underscores. Value names are
		case-insensitive. The name must be enclosed with quotation marks.
		If you want to specify a valuepool other than the current pool
		without changing the current pool, you can specify it in the value name by
		separating it with a period (.).
		 
		name
		
		value may be either a variable or a number.
		The value will be stored in the current pool as specified by the most
		recent 
valuepool command.
 
    Example:
    ;@ savevalue("HighScore", score)               ; stores value in score under "HighScore" in the current value pool.
    ;@ savevalue("Johns_Adventure1.strength", str) ; stores value in str under "strength" in the value pool "Johns_Adventure1".
    ;@ savevalue(".SnapTo", snap)                  ; stores value in snap under "SnapTo" in the private value pool for this KiSS data set.