Merge branch 'dev'

.gitignore

progression_qc/__init__.py

progression_qc/__main__.py

progression_qc/progression_qc.py

progression_qc/schemas/__init__.py

progression_qc/schemas/question_base.py

progression_qc/schemas/question_prog.py

progression_qc/schemas/rétroactions.py

setup.py

tests/question_avec_avertissement.py

tests/question_avec_erreur.py

tests/question_prog_avec_erreurs.py

tests/question_prog_avec_test_minimal.py

tests/question_prog_complète_valide.py

tests/question_prog_minimale_valide.py

tests/test_progression_qc.py