Implement creditcards modules for cc-cvc
Add a numeric pattern and validate against specific card types
refactor cc-exp-month to use creditcards
add a numeric pattern to cc-exp-month
refactor cc-exp-year
lint tests
Update cc-exp and remove unnecessary internals and tests
disallow classes
Refactor cc-number (breaking changes)

* Switch to creditcards
* Remove classes for card types
* Change type property from cardType to $type