Fix documentation version
@@ -56,7 +56,7 @@ author = u'Shamal Faily'
# The short X.Y version.
version = u'1.6'
# The full version, including alpha/beta/rc tags.
-release = u'1.6.5'
+release = u'1.6.6'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
