--------------------------
* Added: experimental support for text files
as media files
* Added: dependency on ``pyarrow``
* Added: ``audb.Repository.backend_registry``
that maps repository names like ``artifactory``
to corresponding backend classes,
e.g. ``audbackend.backend.Artifactory``
* Added: ``audb.Repository.register()``
to add an entry to ``audb.Repository.backend_registry``
* Added: ``audb.Repository.create_backend_interface()``
returns a backend interface
to access files in the repository
* Changed: improve speed
of loading dependency table to the cache.
E.g. for version 1.0.0 of the database musan
loading time is reduced by 35%
* Changed: improve speed
of downloading a database to the cache.
E.g. for version 1.0.0 of the database musan
loading time is reduced by 40%
when using 8 threads
* Changed: depend on ``audbackend>=2.0.0``
* Changed: dependency table dataframe
returned by ``audb.Dependencies.__call__()``
now uses ``pyarrow`` based data types
* Changed: dependency table
is now stored as a PARQUET file
on the backend,
instead as a CSV file
* Fixed: ``audb.versions()``
for non-existing repositories
* Fixed: documentation of ``audb.Repository.__eq__()``