Tests unitaires et améliorations/refactorisations.

src/UnicaenAuth/Authentication/Storage/Chain.php

...nicaenAuth/Authentication/Storage/ChainServiceFactory.php

src/UnicaenAuth/Authentication/Storage/Db.php

src/UnicaenAuth/Authentication/Storage/Ldap.php

src/UnicaenAuth/Authentication/Storage/LdapDb.php

src/UnicaenAuth/Entity/Ldap/People.php

src/UnicaenAuth/Provider/Identity/ChainServiceFactory.php

src/UnicaenAuth/Provider/Identity/Db.php

src/UnicaenAuth/Provider/Identity/DbServiceFactory.php

src/UnicaenAuth/Provider/Identity/Ldap.php

src/UnicaenAuth/Provider/Role/Config.php

src/UnicaenAuth/Provider/Role/ConfigServiceFactory.php

src/UnicaenAuth/Provider/Role/Db.php

tests/UnicaenAuthTest/Acl/NamedRoleTest.php

tests/UnicaenAuthTest/Authentication/Adapter/CasTest.php

...UnicaenAuthTest/Authentication/Storage/ChainEventTest.php

...thTest/Authentication/Storage/ChainServiceFactoryTest.php

tests/UnicaenAuthTest/Authentication/Storage/ChainTest.php

tests/UnicaenAuthTest/Authentication/Storage/DbTest.php

tests/UnicaenAuthTest/Authentication/Storage/LdapDbTest.php