diff -r 5e7a0fedabdf -r 877f952ae2bd web/lib/Zend/Captcha/Word.php
--- a/web/lib/Zend/Captcha/Word.php	Thu Mar 21 17:31:31 2013 +0100
+++ b/web/lib/Zend/Captcha/Word.php	Thu Mar 21 19:50:53 2013 +0100
@@ -15,7 +15,7 @@
  * @category   Zend
  * @package    Zend_Captcha
  * @subpackage Adapter
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
@@ -30,9 +30,9 @@
  * @category   Zend
  * @package    Zend_Captcha
  * @subpackage Adapter
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Word.php 21793 2010-04-08 00:51:31Z stas $
+ * @version    $Id: Word.php 24593 2012-01-05 20:35:02Z matthew $
  */
 abstract class Zend_Captcha_Word extends Zend_Captcha_Base
 {
@@ -93,10 +93,10 @@
      * @var integer
      */
     protected $_timeout = 300;
-    
+
     /**
      * Should generate() keep session or create a new one?
-     * 
+     *
      * @var boolean
      */
     protected $_keepSession = false;
@@ -131,7 +131,7 @@
      *
      * @return string
      */
-	public function getSessionClass()
+    public function getSessionClass()
     {
         return $this->_sessionClass;
     }
@@ -217,21 +217,21 @@
         return $this->_timeout;
     }
 
-	/**
-	 * Sets if session should be preserved on generate()
-	 * 
-	 * @param $keepSession Should session be kept on generate()?
-	 * @return Zend_Captcha_Word
-	 */
-	public function setKeepSession($keepSession) 
-	{
-		$this->_keepSession = $keepSession;
-		return $this;
-	}
+    /**
+     * Sets if session should be preserved on generate()
+     *
+     * @param bool $keepSession Should session be kept on generate()?
+     * @return Zend_Captcha_Word
+     */
+    public function setKeepSession($keepSession)
+    {
+        $this->_keepSession = $keepSession;
+        return $this;
+    }
 
     /**
      * Numbers should be included in the pattern?
-     * 
+     *
      * @return bool
      */
     public function getUseNumbers()
@@ -239,10 +239,10 @@
         return $this->_useNumbers;
     }
 
-	/**
-	 * Set if numbers should be included in the pattern
-	 * 
-     * @param $_useNumbers numbers should be included in the pattern?
+    /**
+     * Set if numbers should be included in the pattern
+     *
+     * @param bool $_useNumbers numbers should be included in the pattern?
      * @return Zend_Captcha_Word
      */
     public function setUseNumbers($_useNumbers)
@@ -250,8 +250,8 @@
         $this->_useNumbers = $_useNumbers;
         return $this;
     }
-	
-	/**
+    
+    /**
      * Get session object
      *
      * @return Zend_Session_Namespace
@@ -348,7 +348,7 @@
     public function generate()
     {
         if(!$this->_keepSession) {
-            $this->_session = null;   
+            $this->_session = null;
         }
         $id = $this->_generateRandomId();
         $this->_setId($id);