Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Updated the work log.
Issue #20: Fixed a couple of bugs with the webapp's authentication.
Issue #20: Customized the web service's exceptions some.

This is needed so that the webapp can determine how to respond when
calls to the web service fail.

Couldn't get quite as much accomplished here as I wanted: see the FIXME
in SpringJpaConfig.
Issue #20: The webapp's game page now allows for full gameplay!