* Small bug fix

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Python API
 - Consolidation of API
 - Method send_tag_set_value() renamed to send_tag_set_values()
 - The argument values in method send_tag_set_values() can be only tuple
 - Modified example of Python client
Merge branch 'devel' of git@github.com:verse/verse.git into devel
* Added two constants (node permission) to Python API

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>