Re-generated all C files for latest Cython version.

Updated all classes and functions to raise appropriate exceptions for all known error codes.
Removed SFTP exceptions with no libssh2 error code equivalent.
Removed duplicate libssh2 definitions in c_ssh2.pxd

Author: Pan

Changelog.rst

@@ -1,6 +1,22 @@
 Change Log
 =============
 
+0.14.0
++++++++
+
+Changes
+--------
+
+* ``SFTP``, ``SFTPHandle``, ``Listener`` and ``PublicKeySystem`` functions updated to raise specific exceptions for all known ``libssh2`` errors.
+* Removed exceptions ``SFTPHandleError``, ``SFTPBufferTooSmall`` and ``SFTPIOError`` that do not have corresponding ``libssh2`` error codes.
+* Re-generated all C code with latest Cython release.
+
+Fixes
+------
+
+* Removed duplicate definitions in ``c_ssh2.pxd``.
+
+
 0.13.0
 +++++++