LooseVersion is deprecated

```
(python-llfuse-env) tw@mba2020 python-llfuse % ./setup.py build_cython
running build_cython
/Users/tw/w/python-llfuse/./setup.py:226: DeprecationWarning: distutils Version classes are deprecated. Use packaging.version instead.
  if not hit or LooseVersion(hit.group(1)) < "0.29":
```