[V1S2 US35] : First implementation.

[V1S2 US35] : First implementation 2

[V1S2 US35] : 3

[V1S2 US35] : 3

[V1S2 US35] : Latests modifs with DAO and service.

[V1S2 US35] : Final working implementation of Concept. (without SQL and docs)

[V1S2 US35] : SQL script updated.