Added tests for subscribe and unsubscribe events.
Added tests for incoming push data.
Fixed phpunit tests.
Added a few SubscriberClient tests.
Added coverage output.
Added more SubscriberClient tests.
Added more API tests to reach 100% code coverage. Yay!
Refactored API tests.
Added some docs.
Merge branch 'feature/refactoring' into develop
Added composer.json.
Merge branch 'feature/composer' into develop
Added Travis config.
Fixed SubscriberClient test for PHP 5.3.
Merge branch 'feature/travis' into develop
Added Readme.
Merge branch 'feature/readme' into develop
Added lease seconds handling.
Fixed tests.
Added assert for subscription lease.