public function createUser($email, $password, $is_admin = 0)
 {
     //Generate users salt
     $user_salt = $this->randomString();
     //Salt and Hash the password
     $password = $user_salt . $password;
     $password = $this->hashData($password);
     //Create verification code
     $verification_code = $this->randomString();
     // PUNELE IN DB
     $message = parent::addUserToDb($email, $password, $user_salt, $verification_code);
     return $message;
 }