Errors

consistent_version
0.40,0.41
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Fri 28 Dec 2012 12:56:11 PM JST
gpg:                using RSA key 9C7375B5B37DCB77
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==