Reason for throwing away response 
Hello, is there a reason ratchet is throwing away the response from send() method? https://github.com/ratchetphp/Ratchet/blob/b5ccecad9390db85d2c8df7cbeb047292fbbf4b8/src/Ratchet/Server/IoConnection.php#L27

Here is returned bool https://github.com/reactphp/stream/blob/master/src/WritableStreamInterface.php#L222

