* [FIXED] TypeError in AuthenticationClient when using encrypted channels * [FIXED] RequestsDependencyWarning by updating `requests` * [FIXED] Suppress httpretty warnings * [ADDED] Tests for AuthenticationClient with encrypted channels
2.1.3
* Import Abstract Base Classes from collections.abc in Python versions >= 3.3
2.1.2
* Fixes issue where encryption_master_key wasn't passed to NotificationClient to initialise the parent class.
2.1.1
* Add pynacl as a dependency
2.1.0
* Added End-to-end Encryption * Fix ability to pass options to Tornado Backend
2.0.2
* Support Tornado 5, drop support for Tornado 4 * Check for error responses with AsyncIO backend