2.0.0b1: Version 2 API changes (#221)
* Removed paramiko clients, tests and embedded server. Removed deprecated imports test.
* Removed paramiko agent and utility functions. Removed deprecated modules. Updated docstrings.
* Updated utils tests.
* Updated imports
* Made single client return host output objects from run_command. Removing deprecated output.
* Updated tests for new API version. Removed deprecated functions.
* Removed deprecated dictionary output support. Updated tests.
* Updated libssh client tests
* Updated output test
* Updated libssh clients, parallel base client.
* Updated changelog, setup.py. docstrings
* Updated documentation
* Added upgrade guide.
* Updated finished and unfinished arguments to join timeout exception to be easier to use - added test.
* Updated changelog. Removed unused host_clients from parallel clients. Updated make ssh client to not use locks since no longer using old host clients.
* Updated circleci cfg
* Updated tunnel tests and code to cleanup more safely