- Added get_connection_by_id and get_connection_by_uuid methods
- Updated old get_service method to get_service_by_id and get_service_by_uuid
- Updated get_service method to use new SelectService context method and filter options
- Updated old get_slice method to get_slice_by_id and get_slice_by_uuid
- Updated get_slice method to use new SelectSlice context method and filter options
- Updated get_device method to use new SelectDevice context method and filter options

- Added/Updated headers
- Added script to update copyright headers

- added get_device helper method

- implemented generic Context queries
- added Slice to object_factory