Fix Application.QueueEvent

Resolves #76.

CHANGELOG

@@ -1,6 +1,7 @@
 v1.5.7 (WIP)
 - Add Application.HandlePanic
 - Add Modal.SetButtonsAlign and Modal.SetTextAlign
+- Fix Application.QueueEvent
 - Fix TextView.GetRegionText error when text contains color tags
 - Fix TextView region tags when placed at the end of a line
 - Do not customize Modal window styling by default (use GetForm and GetFrame to customize)

application.go

@@ -451,6 +451,16 @@ func (a *Application) Run() error {
 		}
 	}()
 
+	go func() {
+		defer a.HandlePanic()
+
+		for event := range a.events {
+			semaphore.Lock()
+			handle(event)
+			semaphore.Unlock()
+		}
+	}()
+
 	// Start screen event loop.
 	for {
 		a.Lock()