zendesk/luhn_checksum — pull request #1 by ggrossman (2014-07-08 21:32:15+00:00)
Title: Update gemfile and README.md

* Update gemspec email to ggrossman@zendesk.com as eac@zendesk.com is no longer valid.
* Add Rakefile
* Add .travis.yml

/cc @rtatsumi @vkmita