[+] The var_dir variable is added. It will store the path to the permanent files that the node creates in the process.

[*] Renamed dir_cfg to tmp_cfg. Deleted sections cdb, cdb_auth, srv_vpn from JSON. Added reading adress and port from JSON for listen.

[*] Fix. The JSON string has been changed to support and test the new python-cellframe functionality.

[+] Added the ability to set the registration level. Using words and not numbers. Changed the Unit test so that he would also use this function.