Main entry point allowing external calls
    Args:
      args ([str]): command line parameter list

def main(args):
    """Main entry point allowing external calls
    Args:
      args ([str]): command line parameter list
    """
    args = parse_args(args)
    setup_logging(args.loglevel)
    _logger.info("Starting GramVaani importer...")
    _logger.info("Starting loading GramVaani csv...")
    csv = GramVaaniCSV(args.csv_filename)
    _logger.info("Starting downloading GramVaani mp3's...")
    downloader = GramVaaniDownloader(csv, args.target_dir)
    mp3_directory = downloader.download()
    _logger.info("Starting converting GramVaani mp3's to wav's...")
    converter = GramVaaniConverter(args.target_dir, mp3_directory)
    wav_directory = converter.convert()
    datasets = GramVaaniDataSets(args.target_dir, wav_directory, csv)
    datasets.create()
    datasets.save()
    _logger.info("Finished GramVaani importer...")