Initial 1.0. Mostly stable.
This should be credits
Actually rename APIKey.java to ApiKey.java
Rename APIKeyTest.java to ApiKeyTest.java
Update error handling
Add customer email field
resource_href changes and cleanup
1.1 scenarios
Scenario updates
Update scenario.cache
Add card_holds resource for Customer
Add order resource field to Refund and Reversal
Updated Quickstart
Updated README