v7.1.0

This release is mainly bug fixes and updates to the Verify API implementation to make it consistent with the current specification. It also contains a fix for deserialising empty responses returned from errors in the Messages API.

What's Changed

• Fix parsing MessageResponseException with no body by @SMadani in #406
• Added toggle for Messages Sandbox by @SMadani in #408
• Update Verify by @SMadani in #407
• Minor internal tidy-up for consistency by @SMadani in #409
• More updates to Verify by @SMadani in #410

Full Changelog: v7.0.0...v7.1.0