Added Interaction chaining spec.
Added Interaction chaining spec.

bigspotteddog/envisionjs,bigspotteddog/envisionjs,notepad104/envisionjs,HumbleSoftware/envisionjs,RobertoMalatesta/envisionjs,HumbleSoftware/envisionjs,RobertoMalatesta/envisionjs,RobertoMalatesta/envisionjs,notepad104/envisionjs,notepad104/envisionjs