Errors

use_warnings
Probe::Perl
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Thu 08 Aug 2013 11:27:58 AM JST
gpg:                using DSA key 82BBCC04B7EF9476
gpg: Can't check signature: No public key