Big overhaul. Passing all globals as arguments now.

Author: Dennis-van-Gils

README.rst

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-.. image:: https://github.com/Dennis-van-Gils/DvG_Arduino_PyQt_multithread_demo/actions/workflows/python-demos.yml/badge.svg
+|demos| |black| |license|
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+.. |demos| image:: https://github.com/Dennis-van-Gils/DvG_Arduino_PyQt_multithread_demo/actions/workflows/python-demos.yml/badge.svg
     :target: https://github.com/Dennis-van-Gils/DvG_Arduino_PyQt_multithread_demo/actions/workflows/python-demos.yml
-.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
     :target: https://github.com/psf/black
-.. image:: https://img.shields.io/badge/License-MIT-purple.svg
+.. |license| image:: https://img.shields.io/badge/License-MIT-purple.svg
     :target: https://github.com/Dennis-van-Gils/DvG_Arduino_PyQt_multithread_demo/blob/master/LICENSE.txt
 
 Arduino PyQt multithread demo