Log Message:
Update to 2.18:

17/09/2005  *** v2.18 ***

            - Uses DatLib v2.7.
            - Compiled with zlib 1.3.
            - Improved Neo-Geo handling for the Nebula driver.
            - Improved 'romof' handling for RomCenter 2 driver (during loading).

31/08/2005  *** v2.17 ***

            - Uses DatLib v2.6.
            - Fixed a 'hang' that occurred with circular cloneof relationships.