Escape string with regular expression

Improve parsing of data from crossref

Added a few type annotations

Removed dead code

Require Gtk version 3.0 when loading gi

Cleaned up makefile

Updated release date

Made the about dialog work

Add the ruff package

Added an explanation of why pygobject is fixed at version 3.50.2

Update makefile to reflect use of uv

Started to use uv for managing dependencies

Connect to crossref through https and on a new address

Applied the ruff formatter on the code

Show debug information