def GetReplies(self, since=None, since_id=None, page=None): 
    '''Get a sequence of status messages representing the 20 most recent
    replies (status updates prefixed with @username) to the authenticating
    user.

    Args:
      page: 
      since:
        Narrows the returned results to just those statuses created
        after the specified HTTP-formatted date. [optional]
      since_id:
        Returns only public statuses with an ID greater than (that is,
        more recent than) the specified ID. [Optional]

    Returns:
      A sequence of twitter.Status instances, one for each reply to the user.
    '''
    url = TWITTER_API_ROOT + 'statuses/replies.json'
    if not self._username:
      raise TwitterError("The twitter.Api instance must be authenticated.")
    parameters = {}
    if since:
      parameters['since'] = since
    if since_id:
      parameters['since_id'] = since_id
    if page:
      parameters['page'] = page
    json = self._FetchUrl(url, parameters=parameters)
    data = simplejson.loads(json)
    self._CheckForTwitterError(data)
    return [Status.NewFromJsonDict(x) for x in data]
Get a sequence of status messages representing the 20 most recent
    replies (status updates prefixed with @username) to the authenticating
    user.

    Args:
      page: 
      since:
        Narrows the returned results to just those statuses created
        after the specified HTTP-formatted date. [optional]
      since_id:
        Returns only public statuses with an ID greater than (that is,
        more recent than) the specified ID. [Optional]

    Returns:
      A sequence of twitter.Status instances, one for each reply to the user.
    
twitter/twitter.py