This patch series fixes various issues that Frederic Dang Tran noticed the other day. Not all of them yet - there's still more work to do.
The patches also incorporate Michal's work from patch series http://tracker.deltacloud.org/set/93 and add support for $expand. The patches apply on top of the "CIMI Tests: some more collection tests" series (http://tracker.deltacloud.org/set/115) David
