feat(docs): update readme notes

Author: tomas-fp

README.rst

@@ -11,7 +11,7 @@ About
 -----
 
 This library provides a robust and significantly extended implementation
-of JSONPath for Python. It is tested with Python 2.6, 2.7, 3.2, 3.3.
+of JSONPath for Python. It is tested with Python 2.6, 2.7 & 3.x.
 
 This library differs from other JSONPath implementations in that it is a
 full *language* implementation, meaning the JSONPath expressions are