message: fixing issue, hears work when a Regex is not in an Array in `hears`
diff: @@ -962,6 +962,11 @@ function Botkit(configuration) {
  if (typeof(keywords) == 'string') {
  keywords = [keywords];
  }
  +
  + if(keywords instanceof RegExp) {
  + keywords = [keywords]
  + }
  +
  if (typeof(events) == 'string') {
  events = events.split(/\,/g);
  }
  