The handler of namespace

### Classes
| Class | Description |
| :- | :- |
| [`CadBlockNameEntity`](/cad/python-net/aspose.cad.fileformats.cad.dwg.acdbobjects/cadblocknameentity) | The BlockName Entity |
| [`HandleCodes`](/cad/python-net/aspose.cad.fileformats.cad.dwg.acdbobjects/handlecodes) | Handles codes |