Update "tested" versions s/3.3/3.5/

It's mid 2016 after all :)
diff --git a/.travis.yml b/.travis.yml
index 68e8c0c..753f84d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@
   - "2.6"
   - "2.7"
   - "3.2"
-  - "3.3"
   - "3.4"
+  - "3.5"
 script: python tests/all_tests.py
 
diff --git a/CHANGES b/CHANGES
index c142c6c..9799432 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,8 @@
   - PR #109: Update c_generator to add {} around nested named initializers.
   - PR #101: Added support for parsing pragmas into the AST.
   - Additional fake headers and typedefs, manifest fixes (#97, #106, #111).
+  - Testing with Python 3.5 instead of 3.3 now (3.4 and 3.5 are the 3.x versions
+    tested).
 
 + Version 2.14 (09.06.2015)
 
diff --git a/README.rst b/README.rst
index 909c82f..9ece559 100644
--- a/README.rst
+++ b/README.rst
@@ -79,7 +79,7 @@
 Prerequisites
 -------------
 
-* **pycparser** was tested on Python 2.7, 3.3 and 3.4, on both Linux and
+* **pycparser** was tested on Python 2.7, 3.4 and 3.5, on both Linux and
   Windows. It should work on any later version (in both the 2.x and 3.x lines)
   as well.