Evol : - anwser sample structure allocation simplified - improved  error management (with returned status) for some request functions
Evol :
- anwser sample structure allocation simplified
- improved  error management (with returned status) for some request functions

- In answer sample :
 - base_frequency returned
 - max_client_number returned
 - current client number returned
 - max period allower returned

deweerdt/TSP,deweerdt/TSP,deweerdt/TSP,deweerdt/TSP,deweerdt/TSP