/**
  * Update Setting
  *
  * @access	public
  * @param	string	$key	Setting key to update
  * @param	mixed	$value	Value to set
  * @return	boolean
  * @deprecated	Not used any more best I can tell
  */
 public function update_setting($key, $value)
 {
     /* Check for a key */
     if (!$key) {
         return FALSE;
     }
     /* Update the DB */
     $this->DB->update('core_sys_conf_settings', array('conf_value' => $value), "conf_key='{$key}'");
     //-----------------------------------------
     // Rebuild settings cache
     //-----------------------------------------
     require_once IPSLib::getAppDir('core') . '/modules_admin/tools/settings.php';
     $settings = new settings();
     $settings->setting_rebuildcache();
     /* Done */
     return TRUE;
 }