add keys option to text list to allow for additional keys to be requested, beyond the keys of the visible columns

source/Ox.UI/js/List/Ox.List.js

@@ -1658,6 +1658,7 @@ Ox.List = function(options, self) {
         value <s> value, can be whatever that property is
     @*/
     that.value = function(id, key, value) {
+        Ox.print('that.value', id, getPositionById(id))
         var pos = getPositionById(id),
             $item = self.$items[pos],
             data = $item.options('data'),