Contains a full representation of a the specified project's versions.
        :param key:
        :param expand: the parameters to expand
        :return:

def get_project_versions(self, key, expand=None):
        """
        Contains a full representation of a the specified project's versions.
        :param key:
        :param expand: the parameters to expand
        :return:
        """
        params = {}
        if expand is not None:
            params['expand'] = expand
        return self.get('rest/api/2/project/{}/versions'.format(key), params=params)