* optional reserve base64 string in markdown _CustomMarkdownify and pptx
* add other converter para support
* fix linter
* Use *kwarg to pass keep_data_uri para.
* Add module cli vector tests
* Fixed formatting, and adjusted tests.
* Refactored tests.
* Fixed CI errors, and included misc tests.
* Omit mskanji from streaminfo test.
* Omit mskanji from no hints test.
* Log results of debugging in comments (linked to Magika issue)
* Added docs as to when to use misc tests.
