=head1 NAME
XS::Install::Payload - Manager for module's payload.
=head1 FUNCTIONS
=head4 payload_dir($module)
Returns directory where the payload of module $module is located or undef if $module didn't install any payload.
=head1 AUTHOR
Pronin Oleg <syber@crazypanda.ru>, Crazy Panda LTD
=head1 LICENSE
You may distribute this code under the same terms as Perl itself.
=cut