Add a little feedback.
Restrict to preprocessed sets better.

No longer have to pass around arrays of IDs, hurray!
Adjust batch set up slightly.

We avoid indicating an "elapsed" time, unless we have a good chance
of actually having a sane one.
Coding standards.
Fix some things which had been broken with code standards were applied.
Fix member accesses.
Fix the count of items in the set.
Merge pull request #16 from adam-vessey/7.x-INT-190

Simplify queries.