public override bool Process(IHttpRequest request, IHttpResponse response, IHttpSession session)
        {
            _log.Write(this, LogPrio.Trace, String.Format("Begin handling Rack request for {0}", request.Uri));

            var rackRequest = request.ToRackRequest();
            var rackResponse = new RackResponse(response.Body);

            //this will write to the body. We may want to set headers first, so may need some thought.
            _rack.HandleRequest(rackRequest, rackResponse);

            response.Status = (HttpStatusCode)rackResponse.Status;
            foreach (var header in rackResponse.Headers)
                if (header.Key.ToLower() != "content-length")
                    response.AddHeader(header.Key, header.Value);

            _log.Write(this, LogPrio.Trace, String.Format("Finished handling Rack request for {0}", request.Uri));

            return true;
        }