'log the http req / res to file.
:param request: A fuzzable request object
:param response: A HTTPResponse object'

def log_http(self, request, response):

    now = time.localtime(time.time())
    the_time = time.strftime('%c', now)
    request_hdr = (REQUEST_HEADER_FMT % (response.id, the_time))
    self._write_to_HTTP_log(request_hdr)
    self._write_to_HTTP_log(request.dump())
    response_hdr = (RESPONSE_HEADER_FMT % (response.id, the_time))
    self._write_to_HTTP_log(response_hdr)
    self._write_to_HTTP_log(response.dump())
    self._write_to_HTTP_log((('\n' + ('=' * (len(request_hdr) - 1))) + '\n'))
