Added appveyor control files

MANIFEST.in

@@ -11,6 +11,7 @@ exclude .travis.yml
 exclude pip/_vendor/Makefile
 exclude tox.ini
 exclude dev-requirements.txt
+exclude appveyor.yml
 
 recursive-include pip/_vendor *.pem
 recursive-include docs Makefile *.rst *.py *.bat

appveyor.yml

@@ -0,0 +1,31 @@
+environment:
+  matrix:
+    - PYTHON: "C:\\Python27"
+      TOXENV: "py27"
+
+    - PYTHON: "C:\\Python33"
+      TOXENV: "py33"
+
+    - PYTHON: "C:\\Python34"
+      TOXENV: "py34"
+
+    - PYTHON: "C:\\Python35"
+      TOXENV: "py35"
+
+    - PYTHON: "C:\\Python27-x64"
+      TOXENV: "py27"
+
+    - PYTHON: "C:\\Python33-x64"
+      TOXENV: "py33"
+
+    - PYTHON: "C:\\Python34-x64"
+      TOXENV: "py34"
+
+    - PYTHON: "C:\\Python35-x64"
+      TOXENV: "py35"
+
+install:
+    cmd: "%PYTHON%\\python.exe -m pip install tox"
+build: off
+test_script:
+    - "%PYTHON%\\Scripts\\tox.exe -e %TOXENV% -- -m unit -n 8"