Also remove python 3.3.

Author: j-bennet

appveyor.yml

@@ -6,14 +6,18 @@ environment:
       PYTHON_VERSION: "2.7.8"
       PYTHON_ARCH: "32"
 
-    - PYTHON: "C:\\Python33"
-      PYTHON_VERSION: "3.3.5"
-      PYTHON_ARCH: "32"
-
     - PYTHON: "C:\\Python34"
       PYTHON_VERSION: "3.4.1"
       PYTHON_ARCH: "32"
 
+    - PYTHON: "C:\\Python35"
+      PYTHON_VERSION: "3.5.4"
+      PYTHON_ARCH: "32"
+
+    - PYTHON: "C:\\Python36"
+      PYTHON_VERSION: "3.6.3"
+      PYTHON_ARCH: "32"
+
 init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"