* display tool version ([701b8fa](https://gitlab.com/to-be-continuous/tools/gitlab-butler/commit/701b8fa900ac272d194198951b895179a6c2659b))
* ignore pipeline and display a warning message when ref of pipeline triggered by MR does not have the correct format ([8166309](https://gitlab.com/to-be-continuous/tools/gitlab-butler/commit/8166309b1bce8e04ab88e309483fe57a0f2791f6))