code: function(defaults, options) {
      options = options || {};
      for (var option in defaults) {
          if (defaults.hasOwnProperty(option) && !options.hasOwnProperty(option)) {
              options[option] = defaults[option];
          }
      }
      
      return options;
  }
docs: Merges default options with actual options
  
  @param {Object} defaults The default options
  @param {Object} options The set options
  @api private