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* Add a common base client for shared functionality between different HTTP clients (thanks abn!)
* Fix request quoting issue (thanks abn)
* Fix installation issue due to aiohttp only being available for Python>=3.4.2 (thanks abn)
* Added support for current release of aiohttp (thanks eaterek)
* Improved Tornado example (thanks chriswue)
* Add and use ACL token in Event.fire (thanks illenseer)
* Add client side cert support (thanks brocade-craig)
* Add token params to catalog register (thanks gregdurham)
* Add support for DeregisterCriticalServiceAfter (thanks daroot)
* Improve reliability of test suite (thanks daroot!)
* Update CI: Add py35 and py36 to tests (thanks Poogles)