Core: Added onUpdate event.
Core: Added onUpdate event.

--- a/API/VOIDCore.cs
+++ b/API/VOIDCore.cs
@@ -68,6 +68,7 @@
 
 		public abstract event VOIDEventHandler onApplicationQuit;
 		public abstract event VOIDEventHandler onSkinChanged;
+		public abstract event VOIDEventHandler onUpdate;
 
 		public virtual void OnGUI() {}
 

--- a/VOIDCore_Generic.cs
+++ b/VOIDCore_Generic.cs
@@ -319,8 +319,10 @@
 		/*
 		 * Events
 		 * */
+		// public 
 		public override event VOIDEventHandler onApplicationQuit;
 		public override event VOIDEventHandler onSkinChanged;
+		public override event VOIDEventHandler onUpdate;
 
 		/*
 		 * Methods
@@ -477,6 +479,11 @@
 			}
 
 			this.UpdateTimer += Time.deltaTime;
+
+			if (this.onUpdate != null)
+			{
+				this.onUpdate(this);
+			}
 		}
 
 		public virtual void FixedUpdate()