Temporary fix for install Carton

Currently latest version of Cartion is not avalible on http://www.cpan.org.
http://www.cpan.org/authors/id/M/MI/MIYAGAWA/Carton-v1.0.901-TRIAL.tar.gz => 404
Merge pull request #4 from SDSWanderer/patch-1

Temporary fix for install Carton