Test appveyor

.appveyor.yml

@@ -21,6 +21,12 @@ install:
   # Check that we have the expected version and architecture for Python
   - "python --version"
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
+  - "pip --version"
+
+  # Download and install MikTeX
+  - ps: "wget http://mirrors.ctan.org/systems/win32/miktex/setup/basic-miktex-2.9.5721.exe -OutFile ./basic-miktex.exe"
+  - "./basic-miktex.exe"
+
 
 build: false  # Not a C# project, build stuff at the test step instead.