Changed
- Some changes to the typed instances functionality in the data modeling client
- The `TypedNode`, `TypedEdge`, etc. classes are moved from `data_classes.data_modeling.typed_instances` to `data_classes.data_modeling.instances`
- The `properties` attribute on `TypedNode`/`TypedEdge` now return data
- The `sources` attribute on `TypedNodeApply`/`TypedEdgeApply` now returns data