code: function PluckStream(property, options) {
  	if(typeof property === 'object') {
  		options = property;
  		property = null;
  	}
  	options = !options ? {} : options;
  
  	options.objectMode = true;
  	Transform.call(this, options);
  
  	this._pluckProperty = property || 'value';
  }
docs: PluckStream plucks a property from an incoming object. If the property doesn't exist, the object will be skipped.
  NOTE: objectMode will always be true
  
  @class PluckStream
  @constructor
  @extends Transform
  @param {String} [property='value'] - Property to pluck from the objects
  @param {Object} [options] - Stream options object