v0.0.1

Initial release

Nine core functions were implemented, documented and tested:

1. add_page_numbers(..)
2. remove_pdf_metadata(..)
3. rotate_pages(..)
4. anonymize_and_rasterize_strings(..)
5. delete_pdf_pages(..)
6. extract_pdf_pages(..)
7. rearrange_pdf(..)
8. enable_text_copy(..)
9. make_pdf_read_only(..)

Note, make_pdf_read_only(..) doesn't work for all tested pdf types and is subject for improvement.