v2.0.0

2.0.0

• Major refactor and simplification into generic REST client.
• API parameters are now passed as kwargs to endpoint handlers.
• Now using Requests sessions correctly.
• UserAgent is now set to track client usage and help debug issues.
• generate_telesign_headers is now static and easily extracted from the SDK if
  custom behavior/implementation is required.

v1.2.0

Added some new endpoints, cleaned up a bit of code.