hafas: enable option bundling (make -vv/-vvv work)

use DateTime;

use Encode qw(decode);

use JSON;

use Getopt::Long    qw(:config no_ignore_case);

use Getopt::Long    qw(:config no_ignore_case bundling);

use List::MoreUtils qw(uniq);

use List::Util      qw(first max);

use Travel::Routing::DE::HAFAS;