Import of HIXI/Exception-Chain-0.11 from CPAN.

gitpan-cpan-distribution: Exception-Chain
gitpan-cpan-version:      0.11
gitpan-cpan-path:         HIXI/Exception-Chain-0.11.tar.gz
gitpan-cpan-author:       HIXI
gitpan-cpan-maturity:     released