Nuxeo Drive should make it possible to unbind server even offline

$ ndrive unbind-server
2013-02-04 19:13:26,975 44912 140735144665472 ERROR    nxdrive.commandline Error executing 'unbind_server': <urlopen error [Errno 61] Connection refused>
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/nxdrive/commandline.py", line 308, in handle
    return handler(options)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/commandline.py", line 370, in unbind_server
    self.controller.unbind_server(options.local_folder)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/controller.py", line 336, in unbind_server
    token=binding.remote_token)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/client/remote_document_client.py", line 64, in __init__
    ignored_prefixes, ignored_suffixes)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/client/base_automation_client.py", line 80, in __init__
    self.fetch_api()
  File "/usr/local/lib/python2.7/site-packages/nxdrive/client/base_automation_client.py", line 94, in fetch_api
    response = json.loads(self.opener.open(req).read())
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 400, in open
    response = self._open(req, data)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 418, in _open
    '_open', req)
  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 1207, in http_open
    return self.do_open(httplib.HTTPConnection, req)
  File "/usr/local/Cellar/python/2.7.3/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 1177, in do_open
    raise URLError(err)
URLError: <urlopen error [Errno 61] Connection refused>