Pyiron-base

- A generic units class for pyiron ([397](https://github.com/pyiron/pyiron_base/pull/397))
- Fix HDF of `FlattenedStorage` ([389](https://github.com/pyiron/pyiron_base/pull/389))
- Strip first axis when creating array in `add_chunk` ([390](https://github.com/pyiron/pyiron_base/pull/390))
- Allow filtering by job type ([398](https://github.com/pyiron/pyiron_base/pull/398))

- Correct unpacking ([394](https://github.com/pyiron/pyiron_base/pull/394))
- Postgres performance ([361](https://github.com/pyiron/pyiron_base/pull/361))

- Enable to remove a job with loading the full job object. ([384](https://github.com/pyiron/pyiron_base/pull/384))
- Extend `load_file` to handle file objects. ([379](https://github.com/pyiron/pyiron_base/pull/379))
- Fix `read_only` in `DataContainer.from_hdf` ([387](https://github.com/pyiron/pyiron_base/pull/387))
- Increase chemical formula limit to 50 characters ([386](https://github.com/pyiron/pyiron_base/pull/386))

- Fix per element/chunk confusion in FlattenedStorage.add_chunk ([383](https://github.com/pyiron/pyiron_base/pull/383))
- Remove dead code ([372](https://github.com/pyiron/pyiron_base/pull/372))

- Add `_repr_html_` to display DataContainer in notebook mode ([371](https://github.com/pyiron/pyiron_base/pull/371))
- Add FlattenedStorage from pyiron_contrib ([375](https://github.com/pyiron/pyiron_base/pull/375))
- Properly cleanup copyto tests ([373](https://github.com/pyiron/pyiron_base/pull/373))

* Use correct project in copy_to ([363](https://github.com/pyiron/pyiron_base/pull/363))