Documents with forbidden filename chars such as * / or \ trigger 404 error and prevent synchronization

Traceback (most recent call last):
  File "/Users/ogrisel/coding/nuxeo-drive/nuxeo-drive-client/nxdrive/tests/test_integration_synchronization.py", line 954, in test_synchronize_special_filenames
    u'Folder for 2013/04/01 and forbidden chars: (\\ *)')
  File "/Users/ogrisel/coding/nuxeo-drive/nuxeo-drive-client/nxdrive/client/remote_document_client.py", line 123, in make_folder
    properties={'dc:title': name})
  File "/Users/ogrisel/coding/nuxeo-drive/nuxeo-drive-client/nxdrive/client/remote_document_client.py", line 254, in create
    type=doc_type, name=name, properties=properties)
  File "/Users/ogrisel/coding/nuxeo-drive/nuxeo-drive-client/nxdrive/client/base_automation_client.py", line 156, in execute
    resp = self.opener.open(req, timeout=timeout)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 406, in open
    response = meth(req, response)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 519, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 444, in error
    return self._call_chain(*args)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 378, in _call_chain
    result = func(*args)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 527, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 404: Not Found