+ With some very long command, display is quite uncomfortable, so we
 truncate commands, to avoid this. For instance, this:

  Id                                                                            Command   Number of launch
 ╶──╴ ╶────────────────────────────────────────────────────────────────────────────────╴ ╶────────────────
   0   curl --silent https://btc-e.com/api/3/ticker/btc_usd  -o - | grep -o '"avg":[...                  1
   1                                                               sysctl vm.swappiness                  1                                                                     sysctl vm.swappiness                  1

is easier to read than that:

  Id                                                                                    Command   Number of launch
 ╶──╴ ╶────────────────────────────────────────────────────────────────────────────────────────╴ ╶────────────────
   0   curl --silent https://btc-e.com/api/3/ticker/btc_usd  -o - | grep -o '"avg":[0-9]\+.[0-9                  1
                                                                                           ]\+'
   1                                                                       sysctl vm.swappiness                  1

 + Add to CHANGELOG and command definiton.
 + Create some test, almost all fail.
 + Buggy implementation, need to improve test and code clarity.