Adds a skeleton for an AlbumDescriptionCache

album.go

@@ -13,6 +13,9 @@ import (
 // An AlbumState describe the state of an Album
 type AlbumState int
 
+// An AlbumID uniquely identifies an Album both here and www.bedetheque.com
+type AlbumID uint64
+
 const (
 	// NEW is "État neuf" state
 	NEW AlbumState = iota // 0
@@ -31,7 +34,7 @@ const (
 // This is basically the data we store on bdgest.com, and that we want
 // in our system to be retrieve from
 type Album struct {
-	ID     uint64
+	ID     AlbumID
 	ISBN   string
 	Series string
 	Title  string