2.1.17
 * New exchange encryption protocol. No key is visible. The channel is
 encrypted at start of session.
 * HTTPS connection can be activated (be carefull, you need a certificate)
 * Change Users passwords encryption
 * Corrected - once clicked on not authorized Item, any Item selection was
 no more possible.
 #283 - Rights on a folder created at root are set.
 #285 - New settings: Anyone can modify option can be activated by default
 #287 - newly created personal folders ar propergated to the group
 #289 - Personal folder name badly constructed
 #270 - Restricted items visible in Find results
 #298 - Protection against bad actions on personal folders
 #299 - User can be explicetly administrated by Managers of specific Roles
 #300 - Personal SK is encrypted in COOKIE
 #301 - Corrected query call error
 #302 - Under "Views" users can see items that exist in personal folders
 that have been accessed
 #307 - fclose() statement badly placed