I would thanks for valuable guidance at design of this package to:
    José João Dias de Almeida           <jj@di.uminho.pt>
    José Nuno Oliveira                  <jno@di.uminho.pt>
    Alberto Manuel Brandão Simões       <ambs@di.uminho.pt>

I would thanks for comments and suggestions to:
    Randy Polen                         <randy@kanonika.com>