Fix creation/deletion scripts + more unit tests

README.md

app/scodoc/notesdb.py

app/scodoc/sco_synchro_etuds.py

scodoc.py

scotests/demo/demo_reset_noms.py

scotests/scointeractive.sh

scotests/splinter/README.md

scotests/splinter/common.py

scotests/splinter/conn_info.py

scotests/splinter/test-0.py

scotests/splinter/test-intensive-changes.py

scotests/splinter/test-jury.py

scotests/test-all-moys.py

scotests/test-apo-csv.py

scotests/test-apo-export-impairs.py

scotests/test_basic.py

scotests/testpyexcelerator.py

tests/conftest.py

tests/unit/__init__.py

tests/unit/sco_fake_gen.py