Fixed lookahead queries and remove the set differences in python
Added On Off Features to the Chrome Extension
closes #20 Added On Off to the Firefox Addon
Moved the context creation into a method
Merge pull request #23 from Sotera/on-off

Adds the On/Off features to both extensions.
docker-build readme
closes #24  domain loader parse errors
Merge branch 'master' into docker-build
dockerfile updates