Re-add start offset stub.

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -473,6 +473,8 @@ namespace Cryville.Crtr {
 				Logger.Log("main", 0, "Load/Prehandle", "Cleaning up");
 				GC.Collect();
 				if (disableGC) GarbageCollector.GCMode = GarbageCollector.Mode.Disabled;
+				cbus.ForwardByTime(startOffset);
+				bbus.ForwardByTime(startOffset);
 				timer.Stop();
 				Logger.Log("main", 1, "Load/Prehandle", "Prehandling done ({0}ms)", timer.Elapsed.TotalMilliseconds);
 				if (Settings.Default.ClearLogOnPlay) {

Assets/Cryville/Crtr/Settings.cs

@@ -166,8 +166,8 @@ namespace Cryville.Crtr {
 		}
 
 		[Browsable(false)]
-		[Category("gameplay")]
-		[Description("(Not implemented yet)")]
+		[Category("debug")]
+		[Range(0, float.PositiveInfinity)][Step(10f)][Precision(1e-1)]
 		public float StartOffset {
 			get {
 				return PlayerPrefs.GetFloat("StartOffset", 0);