'Make a signed HTTP Request
:param str method: The HTTP method to use
:param str url: The URL to request
:param dict params: Query parameters to append to the URL
:param dict data: Parameters to go in the body of the HTTP request
:param dict headers: HTTP Headers to send with the request
:param tuple auth: Basic Auth arguments
:param float timeout: Socket/Read timeout for the request
:param boolean allow_redirects: Whether or not to allow redirects
See the requests documentation for explanation of all these parameters
:return: An http response
:rtype: A :class:`Response <twilio.rest.http.response.Response>` object'

def request(self, method, url, params=None, data=None, headers=None, auth=None, timeout=None, allow_redirects=False):

    session = Session()
    session.verify = get_cert_file()
    request = Request(method.upper(), url, params=params, data=data, headers=headers, auth=auth)
    prepared_request = session.prepare_request(request)
    if (('Host' not in prepared_request.headers) and ('host' not in prepared_request.headers)):
        prepared_request.headers['Host'] = self._get_host(prepared_request)
    validation_payload = self._build_validation_payload(prepared_request)
    jwt = ClientValidationJwt(self.account_sid, self.api_key_sid, self.credential_sid, self.private_key, validation_payload)
    prepared_request.headers['Twilio-Client-Validation'] = jwt.to_jwt()
    response = session.send(prepared_request, allow_redirects=allow_redirects, timeout=timeout)
    return Response(int(response.status_code), response.text)
