code: function (data, fn) {
      this.store.generateBinId(data.length, 0, function generateBinId(err, id) {
        if (err) {
          return fn(err);
        }
  
        data.url = id;
        data.revision = 1;
        data.latest = true;
        data.streamingKey = this.createStreamingKey(id, data.revision);
        this.store.setBin(data, function (err, id) {
          data.id = id;
          fn(err || null, err ? undefined : data);
        });
      }.bind(this));
    }
docs: Create a new bin.