The CDROM status call "WhoIsThere" (csCode 97) is now implemented. Apart from
eliminating "WARNING: Unknown CDROMStatus(97)" complaints from the console log,
this does not appear to have had any effects whatsoever.
A typo in the implementation of the CDROM status call "GetCDFeatures" has been
corrected per Technical Note DV22:
http://developer.apple.com/technotes/dv/dv_22.html