Fix IE bug when hitting backspace w/token
Fix IE bug when hitting backspace w/token

Neophy7e/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,Neophy7e/react-bootstrap-typeahead,Neophy7e/react-bootstrap-typeahead