AdminConnection sets up an admin RethinkDB connection to the host (`host:port` format) using the CA .pem file provided at path `caFile`.

CreateAndGrantDBUser handles creating a rethink user and granting it permissions to the provided db.

SetupDB handles creating the database and creating all tables and indexes.

UserConnection sets up a user RethinkDB connection to the host (`host:port` format) using the CA .pem file provided at path `caFile`, using the provided username.

Table holds the configuration for setting up a RethinkDB table.

Timing can be embedded into other gorethink models to add time tracking fields.