Log Message:
Update to 2.22:

31/10/2005  *** v2.22 ***

            - Uses DatLib v2.10.
            - Fixed identification of ListXML for MAME+MESS v0.101u4 onwards.
            - Added the '-q' option (to save Listinfo with quotes throughout).

28/10/2005  *** v2.21 ***

            - Uses DatLib v2.9.
            - M1 XML will use hex for ROM sizes. Changed driver accordingly.
            - Now reports duplicate game descriptions and CRCs (i.e. ROMs).