* - applyFilters($_REQUEST, $authUser) -- apply any query filters on data. and hide stuff not to be seen.
* - postListExtra($_REQUEST) : array(extra_data) - add extra column data on the results (like new messages etc.)
* - postListFilter($data, $authUser, $request) return $data - add extra data to an object
* - applyFilters($_REQUEST, $authUser) -- apply any query filters on data. and hide stuff not to be seen.
* - postListExtra($_REQUEST) : array(extra_data) - add extra column data on the results (like new messages etc.)
* - postListFilter($data, $authUser, $request) return $data - add extra data to an object