Repo initialization
Repo setup
Implement of card object
Implements #last_four for Card class
Update shortcut namespaces for this gem
Implement Card, Toke, and Conekta class to tokenize cards.
Also work has started to include a sample test app.
Add base README.
Merge branch 'master' of github.com:mariochavez/ConektaMotion
Remove constants.rb file
Exclude constants file