anchor.diff:  
   let parser = UnionArgParser.Create<CLIArguments>("USAGE: paket [install|update|outdated] ... options")
    
  -let results =
  +let results,verbose =
       try
           let results = parser.Parse()
           let command =
  
positive.code:             elif results.Contains <@ CLIArguments.Update @> then Command.Update
              elif results.Contains <@ CLIArguments.Outdated @> then Command.Outdated
              else Command.Unkown
          Some(command,results)
      with
      | _ ->
          tracefn "%s %s%s" (String.Join(" ",Environment.GetCommandLineArgs())) Environment.NewLine (parser.Usage())
          None
  
  try
      match results with
  
negative.code:     | [<First>][<NoAppSettings>][<CustomCommandLine("install")>] Install
      | [<First>][<NoAppSettings>][<CustomCommandLine("update")>] Update
      | [<First>][<NoAppSettings>][<CustomCommandLine("outdated")>] Outdated
      | [<AltCommandLine("-v")>] Verbose
      | Dependencies_File of string
      | [<AltCommandLine("-f")>] Force
  with
  