Wi4MPI 3.7.0

Bugfixes:

• Fix for MPI library detection for wi4mpi wrapper (fixes #48)
• Fix for rank mapping used in some MPI functions (fixes #63 and issues related to #21)
• Fix for warning on symbol size running in preload mode to Open MPI (fixes #69)
• Add support for MPIX_Query_cuda_support (fixes partially #53)
• Add a truncation for MPI_* strings for translation between MPI libraries (fixes #50)

Support:

• Add *BSD support (fix issue #52); *BSD support is limited on the timeout feature of Wi4MPI (see #73)

Documentation:

• Readthedocs configuration update

Others:

• Refactoring of build stage

Acknowledgements:

Many thanks to @kevin-juilly & @ducrotv for the listed developments