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- Add "exclusive" more to put, pipe and open, as in upstream fsspec
- Allow concurrency in fetch_ranges
- update versions
- signed URLs from connection string; and add content type
- CI cleanups
- better error messages
- honor anon parameter better
- deterministic blob IDs on upload
- `AzureBlobFileSystem` and `AzureBlobFile` support pickling.
- Handle mixed casing for `hdi_isfolder` metadata when determining whether a blob should be treated as a folder.
- `_put_file`: `overwrite` now defaults to `True`.