Code changes to change the primary key from the name to the id.
Moved to generated value for id.
Now keeps a store of logged in users in the database.

Logout removes it.

Login adds to it.

And get user looks at it if it's not currently held in memory.
Updated Jrappy.
Updated io project.

Get user throws 404 if not found.

Auth key for listing user cannot be null.
Adding 5xx error exception logger for Jersey.
Can now login multiple times and keep those sessions active.