Merge pull request #165 from akretion/kalong

[IMP] Fix open index

[IMP] let the kernel find a free port

[IMP] Add a --volume argument to run

[IMP] Use python_on_whales instead of directly executing docker

[ADD] --kalong

Bump version 9.0.4

Merge pull request #162 from akretion/running-created-container

[FIX] check running now check if the container is created

Bump version 9.0.3

Merge pull request #163 from akretion/fix-docky-open

simplify/clean code and fix docky open

Bump version 9.0.2

Merge pull request #161 from akretion/post-clean

Remove dead code