- [26: Explicit casting of first and max results](https://github.com/doctrine/collections/pull/26)
- [30: typo fix.](https://github.com/doctrine/collections/pull/30)
- [31: CS fixes and tidy up of tests](https://github.com/doctrine/collections/pull/31)
- [36: Tidy up and CS fixes](https://github.com/doctrine/collections/pull/36)
- [42: small style changes to comply with PSR2](https://github.com/doctrine/collections/pull/42)
- [47: Added build status](https://github.com/doctrine/collections/pull/47)
- [49: Keep keys when using array collection's matching()](https://github.com/doctrine/collections/pull/49)
- [52: Made initialized protected for extensibility.](https://github.com/doctrine/collections/pull/52)
- [56: travis: PHP 7.0 nightly added + few improvements](https://github.com/doctrine/collections/pull/56)