Features:
* Support parsing with reduced feature set without using the ``tensorflow`` package
Fixes:
* Fix the behavior of ``event_types`` for ``SummaryReader`` (Breaking Change)
* Explicitly support Python 3.10 on PyPI
* Fix preview images on PyPI
Changes:
* Add benchmarks and profiling results
* Optimize ``_merge_values`` when no merging is required
* Change row-oriented parsing to column-oriented parsing