For the PDL version of the HDF5 interface:

Copyright (c) 2014 Chris Marshall, Andrew Benson. All rights reserved. This program is free software;
you can redistribute it and/or modify it under the same terms as Perl itself. 

Copyright (c) 2001 John Cerney. All rights reserved. This program is free software;
you can redistribute it and/or modify it under the same terms as Perl itself. 

