Fix Horizonal Sliding Issues by only recogizing simultaneous gestures…

… if the other gesture its the pan gesture (#32)

PanModal/Controller/PanModalPresentationController.swift

@@ -826,7 +826,7 @@ extension PanModalPresentationController: UIGestureRecognizerDelegate {
      is a pan gesture recognizer
      */
     public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
-        return otherGestureRecognizer.isKind(of: UIPanGestureRecognizer.self)
+        return otherGestureRecognizer == panGestureRecognizer
     }
 }