Merge pull request #111 from armanbilge/update/fs2-dom-0.1.0

Update fs2-dom to 0.1.0

Merge pull request #39 from armanbilge/feature/signal-monad

Add `Monad[Signal]`

Merge pull request #31 from armanbilge/fix/map-to-target-side-effect

Reading target value is a side-effect

Cleanup