* Add PyPI version badge

* Add more PyPI badges

* Update contact emails in README

* Switch to pytest

* Add a noxfile.py for nox config

* Remove nose specific code from tests

* Update noxfile for pytest

* Drop tests for EOL Python 3.7

* Add test env for Python 3.10

* Add tests env for Python 3.11

* Add session for linting

* Remove redundant requirements

* Update Github Actions for nox/pytest

* Add backend for Github Actions

* Skip coveralls for lint step

* Adjust naming for Github Actions

* Add Github token

* Enable diagnostics

* Generate xml coverage for Github Actions

* Rename build step

* Add additional dependencies

* Use different base action

* Remove container constraint

* Test Python 3.7 on Github Actions

* Undo Python

* Defer SQLA 1.4 changes

* Add session for dev setup

* Stick to uv

* Add EOL

* Add an editorconfig

* Ignore .venv when linting

* Install test dependencies in .venv

* Add hypothesis tests for better coverage

* Use fewer runs

* Tweak hypothesis settings

* Switch to uv build

* Declare that delete_node consumes data

* Document pipeline steps

* Add docstrings and copyright information

* Ignore artifact folders

* Remove tox config

* Remove nose related files and comments

* Update supported Python versions

* Add a contributor guide

* Update project description

* Remove dead link

* Fix typo

* Link to contributor's guide

* Add docstrings

* Fix link

* Update changelog