------------------
Changed
~~~~~~~
- Some arguments must be keyword arguments in:
- ``spoonbill.FileAnalyzer.analyze_file``
- ``spoonbill.FileFlattener.__init__``
- ``spoonbill.spec.Table.missing_rows``
- ``spoonbill.spec.Table.available_rows``
- ``spoonbill.stats.DataPreprocessor.__init__``
- ``spoonbill.stats.DataPreprocessor.init_tables``
- ``spoonbill.stats.DataPreprocessor.process_items``
- ``spoonbill.utils.iter_file``
- Drop support for Python 3.8.