anchor.diff:  
   and [<CustomEquality; CustomComparison>] Application =
       { Graph : Graph
  -      Application : Anthology.Application } 
  +      Application : Anthology.Application }
   with
       override this.Equals(other : System.Object) = refEquals this other
   
  
positive.code:         assemblyMap
  
      member this.RepositoryMap : System.Collections.Generic.IDictionary<Anthology.RepositoryId, Repository> =
          if repositoryMap |> isNull then 
              repositoryMap <- anthology.Repositories |> Seq.map (fun x -> x.Repository.Name, { Graph = this; Repository = x.Repository})                                 
                                                      |> dict
          repositoryMap
  
  
negative.code:         packageMap
  
      member this.AssemblyMap : System.Collections.Generic.IDictionary<Anthology.AssemblyId, Assembly> =
          if assemblyMap |> isNull then
              let outputAss = anthology.Projects |> Seq.map (fun x -> x.Output)
                                                 |> Set
              assemblyMap <- anthology.Projects |> Set.map (fun x -> x.AssemblyReferences)
  