diff --git a/Utils/OwnModel.cs b/Utils/OwnModel.cs
index 411c548..b20b91f 100644
--- a/Utils/OwnModel.cs
+++ b/Utils/OwnModel.cs
@@ -21,14 +21,18 @@ namespace BlubbFish.Utils
       return Activator.CreateInstance(typeof(T), true) as T;
     }
 
-    public void SetObserver(OwnView tray)
+    public void SetObserver(OwnView view)
     {
-      this.observer.Add(tray);
-      tray.Update();
+      this.observer.Add(view);
+      view.Update();
+    }
+
+    public void RemoveObserver(OwnView view) {
+      this.observer.Remove(view);
     }
     protected void Update()
     {
-      this.observer.ForEach(delegate (OwnView tray) { tray.Update(); });
+      this.observer.ForEach(delegate (OwnView view) { view.Update(); });
     }
     abstract protected void Init();
   }
diff --git a/Utils/Properties/AssemblyInfo.cs b/Utils/Properties/AssemblyInfo.cs
index 885ce37..e8e4af1 100644
--- a/Utils/Properties/AssemblyInfo.cs
+++ b/Utils/Properties/AssemblyInfo.cs
@@ -10,7 +10,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("Utils")]
-[assembly: AssemblyCopyright("Copyright ©  2014 - 09.03.2017")]
+[assembly: AssemblyCopyright("Copyright ©  2014 - 16.04.2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.2.2")]
-[assembly: AssemblyFileVersion("1.0.2.2")]
+[assembly: AssemblyVersion("1.0.2.3")]
+[assembly: AssemblyFileVersion("1.0.2.3")]
diff --git a/Utils/bin/Release/Utils.dll b/Utils/bin/Release/Utils.dll
index e24b721..e67e5ab 100644
Binary files a/Utils/bin/Release/Utils.dll and b/Utils/bin/Release/Utils.dll differ