Fix dynamic h5py api on windows
Closes https://gitlab.esrf.fr/bliss/blissdata/-/issues/1
Fix issues on Windows:
- proper file path separator
- parallel reading does not work on windows
- reading VDS when lima is not finished (+ add test that would fail under linux as well)
Windows tests are done here: https://gitlab.esrf.fr/bliss/blissdata/-/merge_requests/9
Edited by Wout De Nolf