Log Message:
py-requests-mock: updated to 1.8.0

1.8.0
* Remove requests 2.3 compatibility code
* Add release notes for reset function
* Add release note for session scoped mock
* Allow passing session as postiional argument
* Create bound method instead of a wrapper
* Added reset\_mock to \_RequestHistoryTracker and Adapter
* doc on session Mockers
* doc on nesting Mockers
* fix README.rst typo
* suggest Mocker for users unfamiliar with adapters
* update examples to mount adapter on 'mock://'
* fix global/session mock interactions and real\_http
* Added installation instructions
* Add release note for nested mocking
* fix redirects and mock nesting
* Mark IOReader object closed when using a stream
* Add the default response reason if not set
* Don't check that proxies are set in test
* Add StackOverflow tag to README
* Mention pytest fixture on the README
* Add background information to pytest doc
* docs: update examples to match Read the Docs
* Expose real\_http as a public property
* fix py27 error
* easier session scoped mock