Adds the sqlalchemy ORM layer to build the query with.
Merge branch 'develop' into feature/sqlalchemy-orm

* develop:
  Removes some boilerplate code.
  Extracts the arguments to a separate module.
  Adds the -Ff formatter options to format the result accordingly.
Migration to a more robust query filter.
Adds flake8 checks to tests. Fixes flake8 failures. Removes several errors.
Fixes E302 expected 2 blank lines, found 1.
Fixes all flake8 errors but E128 (which will take some more time).
Fixes all flake8 warnings.
Test hook
Test hook2
Merge branch 'feature/sqlalchemy-orm' into develop
Version bump to 0.13.
Merge branch 'release/0.13' into develop