Version 4 - Aug 15, 2004

	New commands:  pio-mode, class.

	Support existing commands on SCSI devices:
	standby, wcache, dev-read-ahead, id, media.

Version 3 - Aug 15, 2004

	New commands:  acoustic-mgmt, cd-speed, defect-mgmt,
	dev-keep-settings, multiple-count, pm-mode, queue-depth, wcache,
	bus-state, dev-read-ahead, i2o-rcache, i2o-wcache, media,
	read-ahead, version, geometry, reset, standby.

	Updated block-sz command to take an optional argument.

Version 2 - Aug 15, 2004

	'id' command:  Dump a lot more information about ATA/ATAPI devices.

Version 1 - Aug 14, 2004

	Initial release.