A helper function to pull the values out of those annoying namespace
    prefixed tags

def getValueByName(node, name):
    """
    A helper function to pull the values out of those annoying namespace
    prefixed tags
    """

    try:
        value = node.xpath("*[local-name() = '%s']" % name)[0].text.strip()
    except:
        return None
    return value