Forward all available listeners

When a child class is requested via Api::api or Api::childClass, all available
listeners are sent to that child, not just `oauth` and `basicauth`.

Author: vimishor

lib/Bitbucket/API/Api.php

@@ -299,12 +299,8 @@ protected function childFactory($name)
         $class = '\\Bitbucket\\API\\'.$name;
         $child = new $class($this->client);
 
-        if ($this->getClient()->isListener('basicauth')) {
-            $child->getClient()->addListener($this->getClient()->getListener('basicauth'));
-        }
-
-        if ($this->getClient()->isListener('oauth')) {
-            $child->getClient()->addListener($this->getClient()->getListener('oauth'));
+        if ($this->getClient()->hasListeners()) {
+            $child->getClient()->setListeners($this->getClient()->getListeners());
         }
 
         return $child;

lib/Bitbucket/API/Http/ClientInterface.php

@@ -149,6 +149,25 @@ public function delListener($name);
      */
     public function getListener($name);
 
+    /**
+     * @access public
+     * @return array
+     */
+    public function getListeners();
+
+    /**
+     * @access public
+     * @return bool
+     */
+    public function hasListeners();
+
+    /**
+     * @access public
+     * @param  array $listeners
+     * @return $this
+     */
+    public function setListeners(array $listeners);
+
     /**
      * Check if a listener exists
      *

lib/Bitbucket/API/Http/Listener.php

@@ -76,6 +76,39 @@ public function isListener($name)
         return ($this->searchListener($name) instanceof ListenerInterface);
     }
 
+    /**
+     * @access public
+     * @return array
+     */
+    public function getListeners()
+    {
+        return $this->listeners;
+    }
+
+    /**
+     * @access public
+     * @return bool
+     */
+    public function hasListeners()
+    {
+        return (count($this->listeners) > 0);
+    }
+
+    /**
+     * @access public
+     * @param  array $listeners
+     * @return $this;
+     */
+    public function setListeners(array $listeners)
+    {
+        foreach ($listeners as $prio => $listener) {
+            $listener = array_values($listener);
+            $this->addListener($listener[0], $prio);
+        }
+
+        return $this;
+    }
+
     /**
      * @access protected
      * @param  string                 $name Listener name