Put pack function in better location.

src/jio.storage/revisionstorage.js

@@ -115,7 +115,9 @@
       this._include_revisions = false;
     }
     var substorage = this._sub_storage;
-    this.packOldRevisions = function (save_info) {
+  }
+
+  RevisionStorage.prototype.packOldRevisions = function (save_info) {
       /**
       save_info has this form:
         {
@@ -125,7 +127,8 @@
         keep_latest_num = x: keep at most the x latest copies of each unique doc
         keep_active_revs = x: throw away all outdated revisions from before x
       **/
-      var options = {
+      var substorage = this._sub_storage,
+        options = {
         sort_on: [["timestamp", "descending"]],
         select_list: ["doc", "doc_id", "op"]
       },
@@ -142,7 +145,6 @@
           });
         });
     };
-  }
 
   RevisionStorage.prototype.get = function (id_in) {
 
@@ -385,6 +387,7 @@
         return substorage.putAttachment(timestamp, name, blob);
       });
   };
+
   RevisionStorage.prototype.getAttachment = function (id, name) {
 
     // In this case, id is a timestamp, so return attachment version at that

test/jio.storage/revisionstorage.tests.js

@@ -2608,7 +2608,7 @@
     });
 
 
-  test("Retrieving revision with attachments with less straightforward ordering",
+  test("Retrieving revision attachments with less straightforward ordering",
     function () {
       stop();
       expect(1);