Check [head, ...rest] and object wrapping semantics

[ephetic]

Not sure they even work. Once verified, improve the README.md notes on Arrays.

Array and rest matching

Since arrays are used to represent a parameter pattern, a literal array must be wrapped in an object {foo: [11,22,33]}. However, it would be nice to make sure the [head, ...rest] semantics work.

[ephetic]

Once this is complete, tag the repo 0.1.0 for npm/yarn versioning.