code: function(req, res) {
              var name = req.params.name;
              var time = parseInt(req.params.time);
              if (!time && time !== 0) {
                  return res.send(400, "invalid timestamp.");
              }
              var messages = [];
              this.readMessages(name, time, function(message) {
                  if (message) {
                      messages.push(message);
                  } else {
                      res.send(messages);
                  }
              })
          }
docs: Find a specific document