- Announce when a tag is selected or removed
- Announce number of options available when filtering
- Announce values of selected tags when widget is focused
- Allow tag removal with delete key
- Move aria-expanded from input element to widget div so expanded/collapsed state is announced

…down arrow to assistive tech

…e an aria-label

…edby of original select

… has focus

Fixed an issue in single-select mode where selecting an item while another is already selected raised an exception. Fixed another issue when adding a freetext item raised an exception