XML::APML::Author - author markup

    my $explicit_author = XML::APML::Author->new();
    $explicit_author->key();
    $explicit_author->value();

    my $implicit_author = XML::APML::Author->new(
        key     => 'Sample',
        value   => 0.5,
        from    => 'GatheringTool.com',
        updated => '2007-03-11T01:55:00Z',
    );

    print $implicit_author->key;
    print $implicit_author->value;
    print $implicit_author->from;
    print $implicit_author->updated;

    $source->add_author($explicit_author);

Class that represents Author mark-up for APML.