code: function Random(opts) {
      Readable.apply(this, arguments);
  
      if (opts && opts.objectMode) {
          this.objectMode = true;
      }
  
      this.dictionary = ['1', '0'];
  }
docs: Create a stream of random values from dictionary
  @author Arne Schubert <atd.schubert@gmail.com>
  @constructor
  @memberOf streamLib
  @augments {stream.Readable}