* Implement a customer manager for flatpages
* Implement public manager for private objects
* Add support for unpublished objects in roster and consist
* Add support for unpublished objects in bookshelf
* Update filtering on REST views
* Use uuid in urls.py
* Increment version
* Add a boolean to define item as part of a set
* Add contextual help in admin
* Introduce support to sets and to item code lookup
Also review the url path for pagination