Eval all version numbers
Install dir

Fixes #423
typo fix
A comma is insufficient.
Better Diag in OK
Work around UNIVERSAL::isa
Add comment
Work on diag stuff
Do not issue deprecation warnings from Test::Tester yet.
Revert workaround for UNIVERSAL::isa bug
Really fix version...
Merge branch 'master' into support_tap_encoding
Changed to 'dup' STDOUT and STDERR as to only the first time.

Because there is a possibility that when dup STDOUT and STDERR again
in the subtest,state of perlIO layer is has changed, it is not possible
to output a unicode string correctly, file descriptor of the TAP for is,
as Test::Builder::Formatter::TAP reuse what was first initialized.