public function __construct($logger = null)
{
$log = $logger ? $logger : new Logger();
$sslCert = Config::get('auth_cert');
$sslCertPwd = Config::get('auth_pwd');
parent::__construct($log);
parent::setSslCert($sslCert);
parent::setSslCertPwd($sslCertPwd);
parent::setPbmApiVersionHeader('1');
$this->aut_url = Config::get('auth_url');
}
