anchor.diff:      |[<CustomCommandLine("add")>] Add of string
       |[<CustomCommandLine("remove")>] Remove of string
       |[<CustomCommandLine("list")>] List
  +    |[<CustomCommandLine("order")>] Order of string * string
   with
       interface IArgParserTemplate with
           member this.Usage =
               match this with
               | Add _ -> "Adds a file to the current folder and project"
               | Remove _ -> "Removes the file from disk and the project"
  -            | List  -> " List all files"
  +            | List  -> "List all files"
  +            | Order _ -> "Moves file1 immediately before file2 in the project"
   
   type ReferenceArgs =
       |[<CustomCommandLine("add")>] Add of string
  
positive.code:             | Update -> "Updates Paket or FAKE"
              | Paket -> "Runs Paket"
              | Fake -> "Runs FAKE"
              | Refresh -> "Refreshs the template cache"
              | Help -> "Displays help"
              | Exit -> "Exits interactive mode"
      member this.Name =
  
negative.code:     let add = results.TryGetResult <@ FileArgs.Add @>
      let remove = results.TryGetResult <@ FileArgs.Remove @>
      let list = results.Contains <@ FileArgs.List @>
      let order = results.TryGetResult <@ FileArgs.Order @>
      match add, remove, list, order with
      | Some fn, _, _, _ -> Files.Add fn
      | _, Some fn, _, _ -> Files.Remove fn
      | _, _, true, _ -> Files.List ()
      | _, _, _, Some (f1,f2) -> Files.Order f1 f2
      | None, None, false, None -> ()
      0
  
  let reference (results : ParseResults<_>) =
  