message: Add missing unsubscribe for subscriptions
diff: @@ -87,6 +87,10 @@ export default class UrqlClient extends Component<IClientProps, IClientState> {
  this.unsubscribe();
  }
  + if (this.subscriptionSub !== null) {
  + this.subscriptionSub.unsubscribe();
  + }
  +
  if (this.querySub !== null) {
  this.querySub.unsubscribe();
  }
  