080311  Added --disable-shared and --disable-static options to
        the configure script.
        Released 0.9.0.

080307  In sdb.c, function sdb_close: don't call the driver's close
        function if the db is null (i.e. there is nothing to close).

080306  Started integrating Freetds for Microsoft SQL and Sybase.
        Queries are submitted but returned values are not handed
        off to the callback.