* Use TapeRecorder subscriber in HTTP adapter to use fixtures instead of real HTTP requests. * Use [dotenv](https://github.com/vlucas/phpdotenv/) for the test environment. * Moved `FirebaseException` to own namespace. * Add support for Queries.
* Use TapeRecorder subscriber in HTTP adapter to use fixtures instead of real HTTP requests. * Use [dotenv](https://github.com/vlucas/phpdotenv/) for the test environment. * Moved `FirebaseException` to own namespace. * Add support for Queries.