Databento

Bug fixes
- Changed `end` and `end_date` to optional to support new forward-fill behaviour
- Upgraded `zstandard` to 0.20.0

Enhancements
- Added support for `imbalance` schema
- Added `instrument_class`, `strike_price`, and `strike_price_currency` to definition
schema
- Changed parsing of `end` and `end_date` params throughout the API
- Improved exception messages for server and client timeouts
- Upgraded `databento-dbn` to 0.4.3

Breaking changes
- Renamed `Bento` class to `DBNStore`
- Removed `metadata.list_compressions` (redundant with docs)
- Removed `metadata.list_encodings` (redundant with docs)
- Removed optional `start` and `end` params from `metadata.list_schemas` (redundant)
- Removed `related` and `related_security_id` from definition schema

Enhancements
- Improved use of the logging module

Breaking changes
- Removed `record_count` property from Bento class
- Changed `metadata.get_dataset_condition` response to a list of condition per date

Bug fixes
- Fixed bug in `Bento` where invalid metadata would prevent iteration

Enhancements
- Added `from_dbn` convenience alias for loading DBN files

Bug fixes
- Fixed bug in `Bento` iteration where multiple readers were created

Enhancements
- Added `batch.list_files(...)` method
- Added `batch.download(...)` method
- Added `batch.download_async(...)` method
- Integrated DBN encoding 0.3.2

Breaking changes
- Dropped support for DBZ encoding
- Renamed `timeseries.stream` to `timeseries.get_range`
- Renamed `timeseries.stream_async` to `timeseries.get_range_async`
- Changed `.to_df(...)` `pretty_ts` default argument to `True`
- Changed `.to_df(...)` `pretty_px` default argument to `True`
- Changed `.to_df(...)` `map_symbols` default argument to `True`

Deprecations
- Deprecated `timeseries.stream(...)` method
- Deprecated `timeseries.stream_async(...)` method

- Added support for `definition` schema
- Updated `Flags` enum
- Upgraded `dbz-python` to 0.2.1
- Upgraded `zstandard` to 0.19.0