Redlibssh

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Changes
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* ``ssh.Channel.write`` and ``write_stderr`` now return return code and bytes written tuples.


Fixes
-----

* ``ssh.key.generate`` could not be used.
* Key types in ``ssh.keytypes`` were not initialised correctly.


Packaging
---------

* Added Windows Python 3.9 binary wheel.

+++++

Changes
--------

* Updated supported key types in ``ssh.keytypes`` for libssh 0.9.5.
* Added certificate import and handling functions to ``ssh.key``

Packaging
---------

* Updated OpenSSL in manylinux wheels to 1.1
* Added Python 3.9 Windows 64-bit binary wheel

+++++

Changes
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* Updated embedded libssh to ``0.9.5``.
* ``Session.channel_new`` now raises ``ssh.exceptions.ChannelOpenFailure`` on failure to create new channel.

+++++

Changes
--------

* Added function for setting GSS-API credentials delegation option to session.
* Updated error handling for all user authentication session functions to raise specific authentication errors.
* `ssh.Key.import_privkey_*` now defaults to empty passphrase.

+++++

Changes
--------

* Updated exception handling to match libssh API - `ssh.exceptions.SSHError` raised on all non-specific errors.
* Updated authentication exception handling to raise specific authentication errors.
* Channel object initialisation now requires Session object to be passed in.


Fixes
------

* Channel deallocation would crash on double free when session channel open failed.

+++++++

Changes
--------

* Updated error handling code to check for SSH status codes and correctly raise exceptions or return error code with no exception in non-blocking mode.
* Updated embedded libssh to ``0.9.4``.
* Added known host session API method implementations.

Packaging
----------

* Added manylinux 2010 binary wheels.
* Added OSX 10.14 and 10.15 binary wheels for Python 3.8
* Added Windows 64-bit binary wheels for Python 3.6/3.7/3.8