Fix 'bump_version.py' to replace both the release number (MAJOR.MINOR.BUGFIX) and the version number (MAJOR.MINOR).
Fix 'bump_version.py' to replace both the release number (MAJOR.MINOR.BUGFIX) and the version number (MAJOR.MINOR).

jonancm/viennagrid-python,jonancm/viennagrid-python,jonancm/viennagrid-python