/// <summary>
 /// Adds commands: 'quit', 'clear'
 /// </summary>
 public static ICommandsApplicationBuilder AddStandardCommands(this ICommandsApplicationBuilder builder)
 {
     builder.AddModule <AppModule>();
     builder.AddModule <OutputModule>();
     return(builder);
 }
 public static ICommandsApplicationBuilder AddHelpCommands(this ICommandsApplicationBuilder builder)
 {
     builder.AddModule <HelpModule>();
     return(builder);
 }