Odsparsator

Support of Python 3.13

add option --see-hidden

- update to odfdo 3.8.0
- add windows and mac to test suite

* add option --color and --keep-styled
Quick description:
* look file "col_cell_blue.ods" in tests
* run: odsparsator -m col_cell_blue.ods result1.json
* run: odsparsator -kcm col_cell_blue.ods result2.json
* see difference between results