Returns all bills, paged, filtered, sorted ....
GET /api-openparlamento/v1/19/parl_assemblies/senato/groups/?format=api&ordering=-id
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 9,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 9
        },
        {
            "id": 8
        },
        {
            "id": 7
        },
        {
            "id": 6
        },
        {
            "id": 5
        },
        {
            "id": 4
        },
        {
            "id": 3
        },
        {
            "id": 2
        },
        {
            "id": 1
        }
    ]
}