chrisfcarroll/TestBase.RecordingStopwatchv4.2.2

``` var timer= new RecordingStopwatch().Start(); timer.Add("Event1"); timer.Add("Event2"); Console.Outline( timer.ToString() ); var record= timer.Timings.Select(t=> (t.Event, t.SecondsElapse)).ToList(); timer.Stop(); timer.ClearAndStart(); ```