diff -r 5a6b6e770365 -r 68c69c656a2c web/lib/Zend/Feed/Pubsubhubbub/CallbackAbstract.php
--- a/web/lib/Zend/Feed/Pubsubhubbub/CallbackAbstract.php	Thu May 07 15:10:09 2015 +0200
+++ b/web/lib/Zend/Feed/Pubsubhubbub/CallbackAbstract.php	Thu May 07 15:16:02 2015 +0200
@@ -15,9 +15,9 @@
  * @category   Zend
  * @package    Zend_Feed_Pubsubhubbub
  * @subpackage Callback
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: CallbackAbstract.php 24842 2012-05-31 18:31:28Z rob $
+ * @version    $Id$
  */
 
 /**
@@ -34,7 +34,7 @@
  * @category   Zend
  * @package    Zend_Feed_Pubsubhubbub
  * @subpackage Callback
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Feed_Pubsubhubbub_CallbackAbstract
@@ -70,7 +70,7 @@
      * options for the Subscriber without calling all supported setter
      * methods in turn.
      *
-     * @param array|Zend_Config $options Options array or Zend_Config instance
+     * @param array|Zend_Config|null $config Options array or Zend_Config instance
      */
     public function __construct($config = null)
     {
@@ -82,7 +82,8 @@
     /**
      * Process any injected configuration options
      *
-     * @param  array|Zend_Config $options Options array or Zend_Config instance
+     * @param  array|Zend_Config $config Options array or Zend_Config instance
+     * @throws Zend_Feed_Pubsubhubbub_Exception
      * @return Zend_Feed_Pubsubhubbub_CallbackAbstract
      */
     public function setConfig($config)
@@ -132,6 +133,7 @@
      * to background save any verification tokens associated with a subscription
      * or other.
      *
+     * @throws Zend_Feed_Pubsubhubbub_Exception
      * @return Zend_Feed_Pubsubhubbub_Model_SubscriptionInterface
      */
     public function getStorage()
@@ -150,6 +152,7 @@
      * (i.e. not inherited from) Zend_Controller_Response_Http.
      *
      * @param  Zend_Feed_Pubsubhubbub_HttpResponse|Zend_Controller_Response_Http $httpResponse
+     * @throws Zend_Feed_Pubsubhubbub_Exception
      * @return Zend_Feed_Pubsubhubbub_CallbackAbstract
      */
     public function setHttpResponse($httpResponse)
@@ -188,6 +191,7 @@
      * Defaults to 1 if left unchanged.
      *
      * @param  string|int $count
+     * @throws Zend_Feed_Pubsubhubbub_Exception
      * @return Zend_Feed_Pubsubhubbub_CallbackAbstract
      */
     public function setSubscriberCount($count)
@@ -270,7 +274,8 @@
     /**
      * Retrieve a Header value from either $_SERVER or Apache
      *
-     * @param string $header
+     * @param  string $header
+     * @return bool
      */
     protected function _getHeader($header)
     {