New 1.30_1 development release of DBD::ODBC

I've just uploaded DBD::ODBC 1.30_1 to CPAN.

If you use Windows or a Unicode build of DBD::ODBC on non-Windows 
platforms you should really test this release as it contains a change in 
behaviour for Unicode. This release also contains a small but perhaps 
significant change to the silent rolling back of a transaction when 
disconnect was called when AutoCommit was disabled. The complete changes 
since 1.29 are below. Again, many thanks to all the people RTing issues 
and providing feedback/testing.

=head2 Changes in DBD::ODBC 1.30_1 May 12, 2011

   [BUG FIXES]

   * Fixed some compiler warnings shown with -Wall including some
     printf formats that had extra/missing arguments.

   * Fixed t/70execute_array.t which was missing an "order by" in the
     check_data sub which could cause failures for drivers not
     returning the rows in the order they were inserted.

   * Minor fix to Makefile.PL to avoid issuing variable used in void
     context.

   [CHANGE IN BEHAVIOR]

   * DBD::ODBC used to quietly rollback any transactions when
     disconnect was called and AutoCommit was off. This can mask a
     problem and leads to different behavior when disconnect is called
     vs not calling disconnect (where you get a warning). This release
     issues a warning if you call disconnect and a transaction is in
     progress then it is rolled back.

   * DBD::ODBC used to bind char/varchar/longvarchar columns as SQL_CHAR
     meaning that in the unicode build of DBD::ODBC the bound column
     data would be returned 8bit in whatever character-set (codepage) the
     data was in, in the database. This was inconvenient and arguably a
     mistake. Columns like nchar/nvarchar etc were bound as SQL_WCHAR and
     returned as Unicode. This release changes the behaviour in a unicode
     build of DBD::ODBC to bind all char columns as SQL_WCHAR. This may
     inconvenience a few people who expected 8bit chars back, knew the
     char set and decoded them (sorry). See odbc_old_unicode to return
     to old behaviour.

   [ENHANCEMENTS]

   * added -w option to Makefile.PL to add "-Wall" to CCFLAGS and
     -fno-strict-aliasing so I can find warnings.

   * Cope with broken ODBC drivers that describe a parameter as SQL
     type 0.

   [OTHER]

   * Add "disconnect and transactions" to pod describing what DBD::ODBC
     does if you call disconnect with an outstanding transaction.

   * Reorganised FAQ for bound parameter issues and added a lot on
     bound parameter problems.

   * Added new FAQ entry for Firebird

   * Removed some unused variables and added some missing function
     prototypes

Martin