1.0.12 - Associate customers with billing_address and shipping_address
1.0.11 - Associate items with shipments
       - Associate shipments with orders
       - Add categories to products
       - Fix typo on class BillingAddress and ShippingAddress
1.0.10 - Associate items with order
1.0.9  - Added PaymentMethod resource
1.0.8  - Added Carrier resource
1.0.7  - Fixed YAML load bug
1.0.6  - Added Account resource
1.0.1  - First public release
