Minimal fix to get IE/Edge working.

There are various better sources for this fix than this repo.  See
discussion on facebook/react#7027 and various
react-autosuggest forks.

We might want to detect IE11/Edge rather than doing this across the
board but this is a start (what about IE < 11?).

Author: Matt Hillsdon

src/Autosuggest.js

@@ -254,7 +254,7 @@ class Autosuggest extends Component {
           }
         }
       },
-      onChange: event => {
+      onInput: event => {
         const { value } = event.target;
         const { shouldRenderSuggestions } = this.props;