Also, separated out browse, ?meta, and ?module request handlers. Fixes #82
Remove @emotion/babel-preset-css-prop and import { jsx } from @emotion/core directly instead so Rollup can preserve imports order when bundling (instead of @emotion/core automatically inserting itself as the first import).
Also, add hashes to asset file names and use the "entry manifest" plugin in dev to get auto-reloading.
Michael Jackson