code: function(method, params, payload) {
          var baseUrl   = (method.base_url || this.spec.base_url).replace(/(\/)$/, '');
          var headers   = {};
          for (var header in method.headers) {
              headers[header] = method.headers[header];
          }
          return simpleHttp.createRequest(this.httpClient, baseUrl + method.path, method.method, headers, params, payload);
      }
docs: request object
  Params:
  - method: spore method called
  - params
  - payload