Import of VPEIL/Catmandu-CrossRef-0.006 from CPAN.

gitpan-cpan-distribution: Catmandu-CrossRef
gitpan-cpan-version:      0.006
gitpan-cpan-path:         VPEIL/Catmandu-CrossRef-0.006.tar.gz
gitpan-cpan-author:       VPEIL
gitpan-cpan-maturity:     released