* src/Errors.py: New exception type "FileVersionError"
* src/GrampsDbBase.py (version_supported): New method
* src/GrampsBSDDB.py (version_supported): New method
* src/gramps_main.py (read_file) catch FileVersionError; (post_load): only load if version_supported()
* src/ReadGrdb.py (importData): only load if version_supported()
svn: r4734
* src/ReadGrdb.py: Add to CVS: native database importer.
* src/DbPrompter.py: Support for the native importer.
* src/Errors.py: Add HandleError exception for duplicate handles.
svn: r3984