Additional fix for #13

Author: stefangabos

Zebra_Session.php

@@ -28,7 +28,7 @@
  *  For more resources visit {@link http://stefangabos.ro/}
  *
  *  @author     Stefan Gabos <[email protected]>
- *  @version    2.1.5 (last revision: April 13, 2017)
+ *  @version    2.1.5 (last revision: April 19, 2017)
  *  @copyright  (c) 2006 - 2017 Stefan Gabos
  *  @license    http://www.gnu.org/licenses/lgpl-3.0.txt GNU LESSER GENERAL PUBLIC LICENSE
  *  @package    Zebra_Session
@@ -635,10 +635,7 @@ public function set_flashdata($name, $value) {
      */
     public function stop() {
 
-        $this->regenerate_id();
-
         session_unset();
-
         session_destroy();
 
     }