Update test to test against AppEngine SDK 1.9.12.
Update README.md to point badges to sets branch.
Add support for Sets, as well as fixes for Timestamps.
Update tests to check timestamp values as UNIX timestamps.
Add delay in remote tests (allows the Datastore to catch up).
Assert on a returned value.
Add Datachore::all method back in again.
Add ordering (orderBy) and pagination (limit/offset) to Datachore.
Add support for automatically writing indexes to index.yaml.
Merge branch 'master' into sets
Merge branch 'sets' into autoindexer
Test and fix the Auto Indexer.
Ignore exception throwing code in coverage.
Check for XDebug when enabling/disabling remove code coverage.
Improve and debug autoindex tests and code.
Add tests for multiple conditions, orderBy, null default values and sets (WIP).
FIX: do not save single property indexes, use the correct string values for orderBy direction indexes, set default argument value for ActivateAutoIndexer.
FIX: ignore single property keys in the AutoIndexer.
FIX: testAutoIndexerOutput and testOrderByDesc (get them working with the new auto indexer updates).
FIX: the last remaining tests have been updated to work with the new AutoIndexer fixes.