Fix undo bugs

Author: tryashtar

fNbt/Tags/NbtCompound.cs

@@ -182,7 +182,7 @@ public bool TryGet([NotNull] string tagName, out NbtTag result) {
         protected override void DoAddRange([NotNull] IEnumerable<NbtTag> newTags) {
             if (newTags == null) throw new ArgumentNullException("newTags");
             foreach (NbtTag tag in newTags) {
-                Add(tag);
+                DoAdd(tag);
             }
         }
 

fNbt/Tags/NbtContainerTag.cs

@@ -29,15 +29,15 @@ public abstract class NbtContainerTag : NbtTag, IList<NbtTag>
 
         public void Add(NbtTag item)
         {
-            PerformAction(new DescriptionHolder("Add {0} to {1}", this, item),
+            PerformAction(new DescriptionHolder("Add {0} to {1}", item, this),
                 () => DoAdd(item),
                 () => DoRemove(item)
             );
         }
         public void AddRange(IEnumerable<NbtTag> items)
         {
             var list = items.ToList();
-            PerformAction(new DescriptionHolder("Add {0} to {1}", this, items),
+            PerformAction(new DescriptionHolder("Add {0} to {1}", items, this),
                 () => DoAddRange(items),
                 () => { foreach (var item in list) { DoRemove(item); } }
             );

fNbt/Tags/NbtList.cs

@@ -201,7 +201,7 @@ public override bool CanAdd(NbtTagType type) {
         protected override void DoAddRange([NotNull] IEnumerable<NbtTag> newTags) {
             if (newTags == null) throw new ArgumentNullException("newTags");
             foreach (NbtTag tag in newTags) {
-                Add(tag);
+                DoAdd(tag);
             }
         }