code: function(action, method, sysImports, options, channel, req, res) {
      var self = this;
  
      if (this.actions[action] && (this.actions[action].rpc || 'invoke' === method)) {
        if ('invoke' === method) {
          var imports = (req.method === 'GET' ? req.query : req.body);
  
          // @todo add files support
          this.actions[action].invoke(imports, channel, sysImports, [], function(err, exports) {
            if (err) {
              self.log(err, channel, 'error');
            }
  
            res.contentType(DEFS.CONTENTTYPE_JSON);
            if (err) {
              res.send(err, 500);
            } else {
              res.send(exports);
            }
          });
        } else {
          this.actions[action].rpc(method, sysImports, options, channel, req, res);
        }
      } else {
        res.send(404);
      }
    }
docs: RPC's are direct calls into a pod, so its up to the pod
  to properly authenticate data etc.