Parse from buffered content
    :param string:  buffered content
    :param serverEndpoint: Tika server URL (Optional)
    :return: parsed content

def from_buffer(string, serverEndpoint=ServerEndpoint):
    '''
    Parse from buffered content
    :param string:  buffered content
    :param serverEndpoint: Tika server URL (Optional)
    :return: parsed content
    '''
    status, response = callServer('put', serverEndpoint, '/unpack/all', string,
                                  {'Accept': 'application/x-tar'}, False,
                                  rawResponse=True)

    return _parse((status, response))