* Updated docs
* Updated test

* Updated changelog
* Updated readme, issue template

* Added libssh2 session flag constants.
* Added Session.flag function for adding flags.
* Updated changelog.
* Added tests for session flags.
* Added CI integration test for executing with session compression enabled.
* Updated embedded zlib to latest version.
* Updated appveyor zlib build script.

…ion (#225)

* Allow provided Python callback function to be used for keyboard interactive authentication. 
Keyboard-interactive events can have multiple steps. Tweak the existing `kbd_callback` to massage prompts into a format that an end user can handle from python.
* Added `ssh2.session.Session.userauth_keyboardinteractive_callback` to maintain backwards compatibility. See new example script for usage.
* Updated keyboard interactive auth with python callback function. Added tests.
* Updated changelog.
* Updated callback example script

---------

Co-authored-by: Matthew Cather <mattbob4@gmail.com>

…. Updated changelog (#226)

* Added CI tests for sending signals to channel.
* Resolves #221 (#227)

* Updated docstrings, changelog

* Added direct_streamlocal implementation
* Added test
* Updated changelog

* Updated CI python versions tested. Removed no longer available python version from appveyor cfg
* Updated changelog
* Added CI auto-rerun

#231)

* Added new libssh2 error codes as python exceptions. 
* Updated error handling for new error codes and exceptions
* Updated tests
* Updated changelog, docstrings

* Updates for missing osx error types

* Removed deprecated libssh2 functions and their equivalent Session and Channel functions
* Updated tests

* Updated types for osx
* Updated tests

* Make OSX wheel builds use embedded libssh2
* Re-add changes for libssh2 1.11.0

* Updated copyright notices
* Updated setup.py