code: function(options) {
  	   inputEx.ListField.superclass.setOptions.call(this, options);
  	   
  	   this.options.className = options.className ? options.className : 'inputEx-Field inputEx-ListField';
  	   
  	   this.options.sortable = lang.isUndefined(options.sortable) ? false : options.sortable;
  	   this.options.elementType = options.elementType || {type: 'string'};
  	   this.options.useButtons = lang.isUndefined(options.useButtons) ? false : options.useButtons;
  	   this.options.unique = lang.isUndefined(options.unique) ? false : options.unique;
  	   
  	   this.options.listAddLabel = options.listAddLabel || inputEx.messages.listAddLink;
  	   this.options.listRemoveLabel = options.listRemoveLabel || inputEx.messages.listRemoveLink;
  	   
  	   this.options.maxItems = options.maxItems;
  	   this.options.minItems = options.minItems;
  	}
docs: Set the ListField classname
  @param {Object} options Options object as passed to the constructor