Download OLC-specific sipprverse targets
        :param databasepath: path to use to save the database
        :param database_name: name of current database
        :param download_id: figshare identifier of .tar.gz file

def sipprverse_targets(self, databasepath, database_name='sipprverse', download_id='13699538'):
        """
        Download OLC-specific sipprverse targets
        :param databasepath: path to use to save the database
        :param database_name: name of current database
        :param download_id: figshare identifier of .tar.gz file
        """
        self.custom_databases(databasepath=databasepath,
                              database_name=database_name,
                              download_id=download_id)