/**
  * Returns true if there are errors in installer
  *
  * @param void
  * @return boolean
  */
 function hasErrors()
 {
     if (!$this->installer instanceof ScriptInstaller) {
         return false;
     }
     return $this->installer->hasErrors();
 }
 /**
 * Returns true if there are errors in installer
 *
 * @param void
 * @return boolean
 */
 function hasErrors() {
   if(!($this->installer instanceof ScriptInstaller)) return false;
   return $this->installer->hasErrors();
 } // hasErrors