Updated readme

Author: Panos

README.rst

@@ -15,6 +15,9 @@ Bindings for libssh_ C library.
    :target: https://pypi.python.org/pypi/ssh-python
 .. image:: https://img.shields.io/pypi/pyversions/ssh-python.svg
    :target: https://pypi.python.org/pypi/ssh-python
+.. image:: https://ci.appveyor.com/api/projects/status/dc9iw75bf1r7p59e/branch/master?svg=true
+   :target: https://ci.appveyor.com/project/pkittenis/ssh-python
+
 
 Installation
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