1. Support for MySQL version 3.2.x and 4.0 enabled again. For that old MySQL versions TSQLStatement is not supported.
2. Small fix in TSQLFile. With old MySQL versions it does not try to use TSQLStatement class.
3. Enabling/disabling error output for TSQLStatement class.
4. Fix in error handling in TMySQLServer::Statement() method. Previousely error code was not correctly stored.


git-svn-id: http://root.cern.ch/svn/root/trunk@15538 27541ba8-7e3a-0410-8455-c3a389f83636