Frictionless

- Improve transform API (657) (BREAKING)
- Swithed to the `transform_resource(resource)` signature
- Swithed to the `transform_package(package)` signature

- Improved resource/package import/export (655) (BREAKING)
- Reworked `parser.write_row_stream` API
- Reworked `resource.from/to` API
- Reworked `package.from/to` API
- Reworked `Storage` API
- Reworked `system.create_storage` API
- Merged `PandasStorage` into `PandasParser`
- Merged `SpssStorage` into `SpssParser`

- Improved transformation steps (650) (BREAKING)
- Split value/formula/function concepts
- Renamed a few minor step arguments

- Improved layout and data streams concepts (648) (BREAKING)
- Renamed `data_stream` to `list_stream`
- Renamed `readData` to `readLists`
- Renamed `sample` to `fragment` (`sample` now is raw lists)
- Implemented loader.buffer
- Implemented parser.sample
- Added support for function based checks
- Added support for function based steps

- Reworked Error.tags (BREAKING)
- Reworked Check API and split labels/header (BREAKING)

- Rebased on `Detector` class (BREAKING)
- Migrated all infer\_\*, sync/patch_schema and detect_encoding parameters to `Detector`
- Made `resource.infer` omit empty objects
- Added `resource.read_*(size)` argument
- Added `resource.labels` property