v1.0.0

• The VirtualDOM monad has been replaced with # operator and rebindable
  do, which enables the use of both array notation or do notation for
  composing views.
• VirtualDOM is now Html a and is parameterized by the component's action
  type.
• One-to-one mapping between event types and React's synthetic events.
• The Update function no longer receives an input Signal.Channel.
• EffModel type has changed to
  { state: state, effects: Array (Aff eff action), and actions are
  automatically fed into the input channel.