ztko

- updated to python 3.7 using #12 pull request - added impacket as a submodule instead (note: git clone --recursive )

Fix integer overflow issue when describing ticket 

Built the docker environment manually and tried to run `python bagdump.py`. Got the error `No handler could be found for logger "rosout"` Had to run `source /opt/ros//setup.bash` in container's bash...