data/libvalidate-yubikey-perl-0.03/t/Yubikey.t:42: isnt ==> isn't
data/libvalidate-yubikey-perl-0.03/t/Yubikey.t:43: isnt ==> isn't
data/libvalidate-yubikey-perl-0.03/t/Yubikey.t:44: isnt ==> isn't