Implemented Create and Update methods on list

models/list_items_create_update.go

@@ -16,8 +16,6 @@ func CreateOrUpdateListItem(item *ListItem) (newItem *ListItem, err error) {
 	}
 	item.CreatedByID = item.CreatedBy.ID
 
-	// TODO: Check if the user has the right to add/update an item to that list
-
 	if item.ID != 0 {
 		_, err = x.ID(item.ID).Update(item)
 		if err != nil {