moving python bingins from tests/python to bindings/python
deleting old lib.cpp (unintentionally not included in the previous commit)
removing debug leftovers in blk_2m
commenting out pytest tests as none exist yet
cleaning up in bindings/python
fixing import module path in Python api tests
adding C++ test for p_vs(273.16)==611.73
Merge https://github.com/slayoo/libcloudphxx