Update Python package

[kant2002]

Update code to work with latest Pandas.
Tested on Python 3.12, but from what I understand should works anywhere where Pandas is working.
Improve a bit testing scripts so they can be run from any location. For example, I use pipenv run py tests/tests.py.
Add pyproject.toml

Give somebody else pleasure to create LICENSE file, since I'm not aware who I should put there.

There two nagging warnings left

openworm\tracker-commons\src\Python\tests\..\wcon\wcon_data.py:496: FutureWarning: Setting an item of incompatible dtype is deprecated and will raise in a future error of pandas. Value '[2.]' has dtype incompatible with Int64, please explicitly cast to a compatible dtype first.
  df_odict[worm_id].loc[:, idx[:, 'aspect_size', :]] = \
openworm\tracker-commons\src\Python\tests\..\wcon\wcon_data.py:224: FutureWarning: Setting an item of incompatible dtype is deprecated and will raise in a future error of pandas. Value '[3.]' has dtype incompatible with Int64, please explicitly cast to a compatible dtype first.

That's from columns x and y being Int64 instead of Float64.

[kant2002]

Ooh, I realize that there was development branch where you have partially done things. Is there some conventions for repositories, I getting accustomed to always green main branch on different OSS projects so never looking what's else can be except home page.

[pgleeson]

Sorry, it's often different and not usually documented with the various openworm repos, so it's usually best to look at the network view, for what's happenning in the branches here and in anyone else's: https://github.com/openworm/tracker-commons/network
My personal preference is to keep the main/master branch stable, have the latest working code in development, and make regular pull requests into there for issues/fixes. Here, I was just trying a few changes in the experimental branch, as there have been many py releases since this was all touched. It would be great if you could look in there if there are useful changes and see if the github actions tests can pass on multiple python versions.