Create gcr4
This brings gcr to the modern era (as per #53 (closed)):
- The
gcr
andgcr-base
libraries have been merged - Created gcr-gtk4
- Renamed gcr-ui to gcr-gtk3 and remove lot of widgets
- Remove floating abilities to GckAttributes
- Remove all deprecated methods
Closes #53 (closed)
Edited by Corentin Noël