Bug writing results to console

[WillSoss]

When an exception is thrown in Initialize:

Unhandled exception. System.NullReferenceException: Object reference not set to an instance of an object.
   at Runly.ResultLog.ToString()
   at System.IO.TextWriter.WriteLine(Object value)
   at System.IO.TextWriter.SyncTextWriter.WriteLine(Object value)
   at System.Console.WriteLine(Object value)
   at Runly.Hosting.RunAction.RunAsync(CancellationToken token)
   at Runly.Hosting.RunAction.RunAsync(CancellationToken token)
   at Runly.System.Program.<Main>(String[] args)