1.4)	Sat Sep  8 10:12:33 PDT 2001
		Added -m<gain> or 'multiply'
		zooms in graph so that sample looks
		<gain> times as loud

1.2)
	Fri Oct 15 09:39:55 PDT 1999
		Added 'spy' feature with -g option.
		fixed problem which caused unsigned 8-bit
		files to come out as signed.
1.0)    
	Wed Jun 16 17:44:14 PDT 1999
		Added -i inversion feature.
		fixed display rate problem with stereo files.
		Changed definition of clipping.