text: // 'finally' - Promise extension
  //
  // promise.finally(cb)
  //
  // Called on promise resolution returns same promise, doesn't pass any values to
  // provided callback
  
  'use strict';
  
  var callable = require('es5-ext/lib/Object/valid-callable')
    , deferred = require('../../deferred');
  
  deferred.extend('finally', function (cb) {
  	callable(cb);
  	if (!this.pending) this.pending = [];
  	this.pending.push('finally', arguments);
  	return this;
  }, function (cb) { cb(); }, function (cb) {
  	callable(cb)();
  	return this;
  });
  