Use index to guarantee uniqueness for virtual features
Merge pull request #457 from ambiata/topic/virtual-unique-featureids

Use index to guarantee uniqueness for virtual features
Better cleanup of temporary files in tests
Merge pull request #453 from ambiata/topic/temporary-dir-cleanup-take-2

Better cleanup of temporary files in tests
Merge pull request #461 from ambiata/topic/disable-big-counters

Disable big counters.
Revert "Disable big counters."
Merge pull request #462 from ambiata/revert-461-topic/disable-big-counters

Revert "Disable big counters."
Changed tests to not depend on disabled counters.
Revert "Revert "Disable big counters.""

This reverts commit eb216c9afbc153ae9deaa62c629da22527357c4f.