JSON aggregation on the $group pipeline
Remove seperate $unwind block
Allow string to be passed into ensureIndex and deleteIndex. Fixes #9
Merge pull request #10 from scottymeuk/feature/9-string-ensureindex

Allow string to be passed into ensureIndex and deleteIndex. Fixes #9
Merge pull request #11 from scottymeuk/feature/json-aggregation

JSON aggregation in pipelines
Updated meta information ready for patch
Travis should not allow failure on PHP 5.5 any longer
Big fix for numeric keys such as IDs that aren't sequential
Added test for new numeric key syntax
Added sequential array test
Better sequential and numeric based key testing
Added found only to cursor counts
Added awaitData method to cursor
Added batchSize method to cursor
Implemnt tailable cursor methods
Added reset method to cursor
Remove phpunit as a dependency
Added phpunit as a dev dependency
Added incomplete test for numeric key storage
[ci skip]
Apply compressions to numeric keys