Update README to cover new features, don't refer to `this` as context of execution, give examples of Function.prototype.call, link to MDN for call, bind, Node, and DocumentFragment
Update README to cover new features, don't refer to `this` as context of execution, give examples of Function.prototype.call, link to MDN for call, bind, Node, and DocumentFragment

lazd/DOMly,lazd/DOMly