Merge pull request #14 from Suor/master

Added status code and Content-Type header to HTTP response
Revert "Update README.rst"

This reverts commit c7822ee75979f8ab7491d6768eb0d5cea3df0d24.
Ignore pyc's
re-raise the import error to avoid the browser window still being opened.
Added note about restarting SLT2
Add settings file for using other python site-packages
Use settings file when you want to use other python site-packages
Included changes by @takuan-osho. Small stylistic change in the Python code and default the settings to null - then check for truthyness in the code so we don't add "" to the path.