Add DistinguishedName class
Merge branch 'develop' of git:Minerva/python/minerva into develop
Fix database unit test
Add version and version functions
Set PGDATABASE environment variable
Remove unused cursors
Use staging table and SQL functions for existence
Remove 'GRANT ALL' statements for owner
Use libpql default connection settings
Merge branch 'develop' into release/4.6
Bump version for release