PyBSDDB Code

merge from python trunk up through r61276:

r61233 | neal.norwitz | 2008-03-04 08:22:46 -0800 (Tue, 04 Mar 2008) | 3 lines

Close the file before trying to remove the directory so it works on
Windows. As reported by Trent Nelson on python-dev.

r61241 | neal.norwitz | 2008-03-04 21:10:48 -0800 (Tue, 04 Mar 2008) | 3 lines

Remove the files/dirs after closing the DB so the tests work on Windows.
Patch from Trent Nelson. Also simplified removing a file by using test_support.

* Merge in changes from Python trunk r61183
* Add copy of necessary functionality from Python trunk test_support
* Add a copy of test.py from ../

Better be safe than Cry

Rename "PyString()" to "Build_PyString()" to
differentiate from an actual Python C API call.

Dead code eliminated

Solved crash when a database open fails.

Updated ChangeLog

Integrate transactions in the resource management.

Integrate databases opened inside transactions.

Integrate nested transactions.

Integrate cursors opened inside transactions.