- Added support for Push Time Send Optimization
- Added support for iOS 12 overrides
- Added support for push to Sms
- Added support for Sms channel registration, opt-out and uninstall
- Added support for Sms channel lookup
- Added support for email channel registration
- Added support for email channel uninstall
- Added support for email channel tag add, remove and set
- Added validation for key and secrets
- Added tests for error responses
- Removed support for Python 3.3.x
- Removed previously deprecated Tag, ListTag, BatchTag and DeleteTag objects
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