2018.04 - version 1.1.0

* MD files are modified for better readability and formatting.
* CACERT can now be set when creating RestProxies using `$options` parameter.
* Removed unnecessary trailing spaces.
* Assertions are re-factored in test cases.
* Now the test framework uses `PHPUnit\Framework\TestCase` instead of `PHPUnit_Framework_TestCase`.

2018.01 - version 1.0.0

* Removed `ServiceBuilder.php`, moved static builder methods into `BlobRestProxy`, `TableRestProxy`, `QueueRestProxy` and `FileRestProxy`.
* Moved method `SharedAccessSignatureHelper::generateBlobServiceSharedAccessSignatureToken()` into `BlobSharedAccessSignatureHelper`.
* Moved method `SharedAccessSignatureHelper::generateTableServiceSharedAccessSignatureToken()` into `TableSharedAccessSignatureHelper`.
* Moved method `SharedAccessSignatureHelper::generateQueueServiceSharedAccessSignatureToken()` into `QueueSharedAccessSignatureHelper`.
* Moved method `SharedAccessSignatureHelper::generateFileServiceSharedAccessSignatureToken()` into `FileSharedAccessSignatureHelper`.
* `CommonMiddleWare` constructor requires storage service version as parameter now.
* `AccessPolicy` class is now an abstract class, added children classes `BlobAccessPolicy`, `ContainerAccessPolicy`, `TableAccessPolicy`, `QueueAccessPolicy`, `FileAccessPolicy` and `ShareAccessPolicy`.
* Fixed a bug that `Utilities::allZero()` will return true for non-zero data chunks.
* Deprecated PHP 5.5 support.