dblayer : add more unit tests (foreign keys)
dblayer : add the same answer when updating a line with the same informations
dblayer : better support of foreign keys
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1842 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
dblayer : add support of the differents field separator (choosed by DB engine)
Add more unit tests
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1813 bf3deb0d-5f1a-0410-827f-c0cc1f45334c