zulip/README.md: Add note clarifying Python 2 support.
@@ -8,6 +8,9 @@ following dependencies:
* six
* typing (version >= 3.5.2.2)
+**Note**: If you'd like to use the Zulip bindings with Python 2, we
+recommend installing version 0.6.4.
+
#### Installing
This package uses distutils, so you can just run:
