Implementation of the App resource.
Merge pull request #8 from farmdawgnation/theres-an-app-for-that

There's an App for That
Merge remote-tracking branch 'origin/0.9-SNAPSHOT'
Update CreditCardSpec to have an expiration in the future.

Turns out you can't add an expired credit card. Go figure.
Version bump to 0.9.0.
Version bumps.
Exclude props file.
Merge pull request #1 from farmdawgnation/master

Merge from main repo