code: function ZReadable(options) {
  	if(options) {
  		if(options.readableObjectMode) {
  			options.objectMode = true;
  		}
  		//Add support for iojs simplified stream constructor
  		if(typeof options.read === 'function') {
  			this._read = options.read;
  		}
  	}
  	Readable.call(this, options);
  	streamMixins.call(this, Readable.prototype, options);
  	readableMixins.call(this, options);
  }
docs: ZReadable implements the Readable streams interface
  
  @class ZReadable
  @constructor
  @extends Readable
  @uses _Stream
  @uses _Readable
  @param {Object} [options] - Stream options