Include the cnx-user database shadow.
Supply cnx-user JSON when responding with user information.
Renames main database schema file.
Adds cnx-user user schema to database initialization.
Adjust test data to include user references.
Use argparse, because other options need added.
Adds ability to initialize the database with example data.
Merge pull request #30 from Connexions/author-info

Provides user object information in the module response.