for the event callbacks: afterShow and afterHide should pass the original `event` in the callback https://github.com/wwayne/react-tooltip/blob/master/src/index.js#L344 https://github.com/wwayne/react-tooltip/blob/master/src/index.js#L378 Into `afterShow(e)` and `afterHide(e)` I can create PR if people think this is valid