Use GUID instead of int for player-ids; ID is now unique and saved to player.xml-file

VocaluxeLib/Structs.cs

@@ -358,7 +358,7 @@ namespace VocaluxeLib
     #region Game
     public struct SPlayer
     {
-        public int ProfileID;
+        public Guid ProfileID;
         public double Points;
         public double PointsLineBonus;
         public double PointsGoldenNotes;