- add a variable OAR_UTILS to define the path to 'make_oar_pyhst2' like /data/id19/inhouse/OAR_UTILITIES/pyhst/make_oar_pyhst2
- add unit test for consistancy tomwer 0.2 / tomwer 0.4
- add unit test to check tomwer 0.4 and higher behavior

TODO: add a slurm option