Mention that you are using python 2 in the readme

[StrykerKKD]

python -m SimpleHTTPServer only works with python 2, so maybe the readme should mention that the user should use python -m http.server 8000 for python 3.

[Schmavery]

Maybe we're best off adding a devDependency on a tiny node http server? This was just meant as a convenience, there's no actual dependency on having python.
https://github.com/RIAEvangelist/node-http-server