Update README

Add no_std support and update README

Create context tasks

Create System struct and basic example

Add task::from_fn

Add Then combinator and refactor

Start over with new design goals

Build nested views

Split into new files

Try out new design

Update example

Try out web example

Try out new design

Try new elm-inspired design

Try new elm-inspired design

Optimize view scopes

Update example

Clean up and mark Scope::rebuild as unsafe

Impl basic async support

Create Scope::build, rebuild, and clear functions

Impl View for Option<V> and create use_on_drop hook

Impl View for Option<V> and create use_on_drop hook

Add missing docs

Refactor and remove ActionResult enum

Create memo view

Publish v0.19.0-alpha.1

Create IntoAction trait

Create adapt view

Start work on v0.19 (#49)

Clean up