Redlibssh2

+++++++

Changes
--------

* Session object de-allocation no longer calls session disconnect.
* Channel object de-allocation no longer calls channel close.
* Rebuilt sources with Cython ``0.29.6``.
* Updated Linux and Windows binary wheels to OpenSSL 1.1.
* Updated embedded ``libssh2`` to latest master.
* Added ``Ed25519`` publickey support via ``libssh2`` and OpenSSL upgrades.

Packaging
----------

* Source distribution builds would not include embedded libssh2 module in package - 51
* Removed OSX 10.10 binary wheel builds - deprecated by Travis-CI.
* Updated embedded OpenSSL version for Windows wheel builds.

+++++++++++++

Packaging
----------

* Updated embedded OpenSSL version for Windows wheel builds.

+++++++++++++

Packaging
----------

* Source distribution builds would not include embedded libssh2 module in package - 51
* Removed OSX 10.10 binary wheel builds - deprecated by Travis-CI.

+++++++

Changes
--------

* ``SFTPHandle.write`` function changed to return tuple of ``return_code, bytes_written`` for non-blocking applications to be able to handle partial writes within an SFTP write resulting from a blocked socket.
* ``Channel.write*`` functions changed to return tuple of ``return_code, bytes_written`` as above.

Behaviour in blocking mode has not changed. Non-blocking applications will now need to handle these functions returning a tuple and resume writes from last written offset of given data.

+++++++

Changes
--------

* Added ``Session.sock`` public attribute for getting socket used by ``Session``.
* Source distribution default ``libssh2`` build target updated to upstream ``libssh2`` master branch.
* Added bundled libssh2 source code for current master branch to repository and source distribution.
* Added automatic build of bundled libssh2 code for source builds and ``SYSTEM_LIBSSH2`` environment variable to control building and linking against system provided libssh2. This will require additional steps for Windows platforms and older libssh2 versions - see documentation.
* Updated binary wheels for all platforms to latest libssh2.
* Added keep alive API implementation - 47.

+++++++

Changes
--------

* Updated ``session.userauth_publickey*`` functions to make providing public key and private key passphrase optional.
* SFTP write calls write on all parts of buffer before returning.

Fixes
------

* ``session.last_error()`` would always return empty string.