locating nodes was looking through two levels to locate something. This is not the correct behavior, after making the change - lots of tests needed to be updated to be correct in what they put into as a the root node.
working with k8s, stripe, petstore and locals. Speed is as good as I can make it at this point, not without further performance tunupes for memory consumption. less copying everywhere.
now things are robust, we can move things around a little to prepare for the next set of incoming models. The extraction and builder functions have all been moved to the low packakge, and out of the v3 package.
