Import of SALVA/Math-Int64-0.34 from CPAN.

gitpan-cpan-distribution: Math-Int64
gitpan-cpan-version:      0.34
gitpan-cpan-path:         SALVA/Math-Int64-0.34.tar.gz
gitpan-cpan-author:       SALVA
gitpan-cpan-maturity:     released