* Elm Http: Signal (lift) was not imported
* Native Http: "Waiting" was not a string.
* Elm Json: find* weren't using the Json Object type (which find was expecting)
* Native Json: Utils was not imported (to use Tuple2)
- Copy documentation from elm-lang.org (dev branch) to .elm files in
libraries folder
- Added TODO's for stuff that was not found in 0.8 version
- Added Review TODO in json.elm