Cli

**Add cli client**

For now there is just two possible action :
 * journey, it takes parameters of single_run
 * ptref id, shows a ptobject

There's a lot of things to add, such as save journeys...
    ,--.      <__)
     `- |________7
        |`.      |\
     .--|. \     |.\--.
    /   j \ `.7__j__\  \
   |   o   | (o)____O)  |
    \     /   J  \     /
     `---'        `---'