Fixed up NodeCollection#[appendTo, putAfter, putBefore, prependTo, replaceAll] to return a copy of the original NodeCollection with any cloned nodes added to the collection.
Fixed up NodeCollection#[appendTo, putAfter, putBefore, prependTo, replaceAll] to return a copy of the original NodeCollection with any cloned nodes added to the collection.

woollybogger/Firebolt,woollybogger/Firebolt