Core/Errors: Stop using System.Diagnostics.Contracts, Its just closing the server without error or warning. We now log the error and then throw a exception

Source/Framework/Dynamic/EventSystem.cs

@@ -16,7 +16,6 @@
  */
 
 using System.Collections.Generic;
-using System.Diagnostics.Contracts;
 using System.Linq;
 
 namespace Framework.Dynamic
@@ -112,13 +111,13 @@ namespace Framework.Dynamic
 
         public void ScheduleAbort()
         {
-            Contract.Assert(IsRunning(), "Tried to scheduled the abortion of an event twice!");
+            Cypher.Assert(IsRunning(), "Tried to scheduled the abortion of an event twice!");
             m_abortState = AbortState.Scheduled;
         }
 
         public void SetAborted()
         {
-            Contract.Assert(!IsAborted(), "Tried to abort an already aborted event!");
+            Cypher.Assert(!IsAborted(), "Tried to abort an already aborted event!");
             m_abortState = AbortState.Aborted;
         }