Make tests pass on Perl 5.8#2

Open

mkanat wants to merge 4 commits intorafl:masterfrom

Commits on Dec 28, 2010

Use Capture::Tiny instead of a piped open, for Windows compatibility.
Max Kanat-Alexander
committed
Handle.pm was throwing an error during global destruction, because the
Max Kanat-Alexander
committed

Commits on Dec 30, 2010

Make Crypt::Random::Source pass all tests in Taint mode.
Max Kanat-Alexander
committed

Commits on Apr 17, 2011

Proc.pm was using IO::File to open a handle to a scalar, which doesn't
Max Kanat-Alexander
committed