Config::ApacheFormat bug?

# test.pl >>

use Config::ApacheFormat;
use Data::Dump 'dump';
my $cfg = Config::ApacheFormat->new(
    include_support => 1,
    expand_vars => 1,
    fix_booleans => 1,
    duplicate_directives => "last",
);

$cfg->read(shift);
print dump($cfg->{_data});


# eg.conf >>

foo
fooa 0
foob 1
fooc ""

# dump eg.conf with test.pl

$ perl test.pl eg.conf
{ foo => [1], fooa => [0], foob => [1], fooc => [""] }