Update Benchmarker in order to properly reset stopwatch

Author: scorteanucosmin

src/Benchmarker.cs

@@ -26,10 +26,12 @@ public void Dispose()
 
         Console.WriteLine($"{_input} took {_stopwatch.Elapsed} [{_stopwatch.ElapsedTicks} ticks]");
 
+        _stopwatch.Reset();
+        _input = null;
+
         PoolFactory<Stopwatch>.Shared.Return(_stopwatch);
-        PoolFactory<Benchmarker>.Shared.Return(this);
 
-        _input = null;
         _stopwatch = null;
+        PoolFactory<Benchmarker>.Shared.Return(this);
     }
 }