README with warnings

Author: ramalho

README.rst

@@ -1,6 +1,16 @@
 Fluent Python: example code
 ===========================
 
-Example code for the book `Fluent Python`_ by Luciano Ramalho (O'Reilly, 2014)
+Example code for the book `Fluent Python`_ by Luciano Ramalho (O'Reilly, 2014).
+
+   **BEWARE**: This is a work in progress, like the book itself.
+
+* Code here may change and disappear without warning. 
+
+* If a piece of code is not yet in the ebook, it's likely to be broken.
+
+* A major reorganization may happen when the last chapter is done. 
+
+* No promises. No guarantees. Use at own risk.
 
 .. _Fluent Python: http://shop.oreilly.com/product/0636920032519.do