Fix build failure for python3.13

Python 3.13 is now available in the official archlinux repo, and this pull request makes yade compilable with python3.13.

Remove __future__ as now we require at least python3.

Replace pipes with shlex as pipes gets removed. ref: https://github.com/jupyter/nbclassic/pull/286

Replace _PyLong_Format with PyNumber_ToBase ref: https://github.com/MagicStack/immutables/issues/116