message: Update to mark sub with handlers done
diff: @@ -118,6 +118,6 @@ The following is a list of features currently supported and planned for the near
  * [X] msg.respond
  * [ ] Drain mode
  * [ ] COW for received messages
  -* [ ] Sub w/ handler can't do iter()
  +* [X] Sub w/ handler can't do iter()
  * [ ] Backup servers for option
  * [X] Travis integration
  