Adding demo image for Newton iteration
Updating the `README.md`
Adding the `LICENSE` file
Merge pull request #23 from AnhNhan/dev

Plenty of tests
Added file extension for language mocks
Updated README.md
Updated README.md, enforcing master-branch badges
Updating composer.json to be more production-ready than ever
Hopefully updating the syntax in `fullblownobject.al`
Adding mock for some more OO