Hassle

Fixes

* fix changelog getting dumped as a list instead of a string when being generated for the first time

Fixes

* don't include current package when updating dependencies

Refactorings

* BREAKING: more or less completely rewrite package

Fixes

* add changelog file before committing if it's untracked
Refactorings

* add '<3.12' to default requires-python field
* don't import pytest by default
Others

* add additional ignores

Performance improvements

* add __version__ string to init during new project creation

Fixes

* replace method of __init__ version updating