v0.4

• Added endpoints for managing customer contacts
• Added Contact object

v0.3

• Pending line items support on customers
• Added LineItem object
• Can invoice customers for pending line items

v0.2.1

• Includes a CA bundle from Mozilla
• ApiConnectionError messages now include underlying reason

v0.2

• Added support for sandbox API

v0.1

• Added Subscription object

v0.0.1

• Initial release!