Restore userid type check on frontend

    This will need to be commented out if cass is used for the backend.
    I'm not sure how to toggle this cleanly, so just left a note in the code.
Restore 0.8.x node compatibility

    The cassandra node driver requires 0.10+, but I'm not sure how to capture
    alternate node version requirements in package.json.
Restore uid type check on server side.
Update C* client for new logging.