Implemented _build_directory method used to create folder.
Added custom sharing_path option in argparse for client_daemon.
Divide save_cfg into create_cfg and update_cfg.
create_cfg is used for initialization of configuration file.
update_cfg write into configuration file the actual state of self.cfg dictionary.
Added sharing_path option to customize sharing_path.
Fixed error about directory creation prints that not happen.
TYPO error in method calling.
TYPO correction in message error about cfg.