Dvc-data

What's Changed
* ref: misc fixes by efiop in https://github.com/iterative/dvc-data/pull/54


**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.7...0.0.8

What's Changed
* transfer: log TransferError cause by dtrifiro in https://github.com/iterative/dvc-data/pull/40
* reference: better separate obj from db by efiop in https://github.com/iterative/dvc-data/pull/50
* stage: simplify staging by efiop in https://github.com/iterative/dvc-data/pull/51
* state: revisit format by efiop in https://github.com/iterative/dvc-data/pull/52
* stage: don't use ThreadPoolExecutor by efiop in https://github.com/iterative/dvc-data/pull/53


**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.6...0.0.7

What's Changed
* stage: pass oid instead of hash_info to odb.add in stage_external by skshetry in https://github.com/iterative/dvc-data/pull/47
* bring hashfile from dvc-objects by efiop in https://github.com/iterative/dvc-data/pull/48

**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.5...0.0.6

What's Changed
* stage: revert raw dir bugfix by efiop in https://github.com/iterative/dvc-data/pull/43


**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.4...0.0.5

What's Changed
* upgrade to dvc-objects 0.0.4 by efiop in https://github.com/iterative/dvc-data/pull/41
* dvc-data: rename fs_path -> path by efiop in https://github.com/iterative/dvc-data/pull/42


**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.3...0.0.4

What's Changed
* dvc-data: drop python 3.7 by efiop in https://github.com/iterative/dvc-data/pull/32
* data: move tree and ref to objects by efiop in https://github.com/iterative/dvc-data/pull/30
* ref: separate raw objects from dereferencing by efiop in https://github.com/iterative/dvc-data/pull/31
* ref: use json instead of pickle by efiop in https://github.com/iterative/dvc-data/pull/33
* stage: use odb_ instead of odb by efiop in https://github.com/iterative/dvc-data/pull/34
* refdb: don't forget to override check by efiop in https://github.com/iterative/dvc-data/pull/35
* fix objects imports by dtrifiro in https://github.com/iterative/dvc-data/pull/39

New Contributors
* efiop made their first contribution in https://github.com/iterative/dvc-data/pull/30
* dtrifiro made their first contribution in https://github.com/iterative/dvc-data/pull/39

**Full Changelog**: https://github.com/iterative/dvc-data/compare/0.0.2...0.0.3