Merge pull request #124 from cordoval/addSubscriber

added addSubscriber method because guzzle plugins are subscribers

Author: cursedcoder

lib/Github/HttpClient/HttpClient.php

@@ -11,6 +11,7 @@
 use Github\Exception\RuntimeException;
 use Github\HttpClient\Listener\AuthListener;
 use Github\HttpClient\Listener\ErrorListener;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 /**
  * Performs requests on GitHub API. API documentation should be self-explanatory.
@@ -82,6 +83,11 @@ public function addListener($eventName, $listener)
         $this->client->getEventDispatcher()->addListener($eventName, $listener);
     }
 
+    public function addSubscriber(EventSubscriberInterface $subscriber)
+    {
+        $this->client->addSubscriber($subscriber);
+    }
+
     /**
      * {@inheritDoc}
      */