Starting to remove `chain` and moving towards `flatMap`. Also starting to work on PartialLens.
Adding the test for the PartialLens get.
Updating lens test around partials.
Adding map to promise.
Adding store extract and map.
Starting to add reader to the lib.
Changing `Option.some` to `Option.Some`
Changing `Option.none` to `Option.None`.
More changes to enums constructor names.
Adding uglify to the build script.
Adding more methods to stream.
Adding flatMap to stream.
adding tuple constructor tests.