comments + propType declarations
add crappy support for autocomplete=inline

this needs more work

- up/down arrows need to update the field
  - and set that as the new selection

need to pull out the next/previous logic from
focusNext/Previous and reuse for keyboard nav
when `inline` only v. `list|both`
meh
LICENSE and README
support arbitrary children in the menu

primary use-case is allowing for an “empty”
message
lets try to kill this bundle thing again
get a real export happenin’