v4.0.13: Update Address.java

Including an additional string setter for country code onto Address and changing the property type so that it's easier to inflate instances from JSON.

v4.0.12: Update ChargeType.java

Adding 'Refund' as a possible value of ChargeType.

Adding a new value to ChargeType

Adding 'Other' as a value for ChargeType.

TotalTax on Charge.

In this release the total tax property is available to set and read on a Charge instance.

v4.0.9: Update Item.java

Adding ID to Item.

Creating ChargeType and Updating ChargeItem

Updating ChargeType and ChargeItem

Renaming Type to ChargeType and moving it into its own source file. Updating type property name in ChargeItem to match documentation.

Adding type to ChargeItem

Update ChargeItem.java

Updating format to satisfy spotless checks.

Adding new stage value

Adding 'Draft' to Status.Stage.

Adding IdempotencyKey property to Order

Update Order.java

Adding idempotencyKey property to Order.

Adding merchant reference support to Item

Item merchant reference support

Adding support to the Item model, builder and Order builder to allow an individual merchant reference to each. Item