> ***Note:***
> The http\Client\Response object resulting from the request is always stored
-> internally to be retreived at a later time, __even__ when $cb is used.
+> internally to be retrieved at a later time, __even__ when $cb is used.
>
> If you are about to send a lot of requests and do __not__ need the response
> after executing the callback, you can use http\Client::getResponse() within
* http\Client\Request $request
The request to enqueue.
-* Optional callable $cb
+* Optional callable $cb as function(\http\Response $response) : ?bool
A callback to automatically call when the request has finished.
## Returns: