update change log

update change log

poetry doesn't support 3.7 anymore

Merge pull request #23 from outis/master

add more error messages

Fix for issue #22: prevent KeyError when an outline item (AKA bookmark) has a property dictionary, but doesn't have a "to" key.

clarify workflow example

update tested versions

add change logs

update python dependencies

fix python version

add tests for python 3.10 3.11

well macos doesn't have tree

fix test

add more debug info for workflow