Release 0.7.0

Beta Release 0.7.0 including:

- Bug fixes
- Updated model/function names
- Updated models to reflect changes in APIs

doc/models/pricing-model.md

@@ -0,0 +1,17 @@
+
+# Pricing Model
+
+The pricing model for the billing cycle.
+
+## Enumeration
+
+`PricingModel`
+
+## Fields
+
+| Name | Description |
+|  --- | --- |
+| `FIXED` | A fixed pricing scheme where the customer is charged a fixed amount. |
+| `VARIABLE` | A variable pricing scheme where the customer is charged a variable amount. |
+| `AUTO_RELOAD` | A auto-reload pricing scheme where the customer is charged a fixed amount for reload. |
+