Chessboard corrections

http://www.uodemise.com/forum/showthread.php?t=154224&page=2

Stealth has the wrong hiding requirement
http://www.uodemise.com/forum/showthread.php?t=155728

Players should be able to discord their own pet regardless of facet/guild, or lack thereof
http://www.uodemise.com/forum/showthread.php?t=148376

Disposition of released/gone wild pets' pack inventory
http://www.uodemise.com/forum/showthread.php?t=146385

Flagging mechanics regarding invisibility
http://www.uodemise.com/forum/showthread.php?t=137631

Scripts/Items/Containers/Container.cs

@@ -152,6 +152,74 @@ namespace Server.Items
 		}
 	}
 
+	public class CreatureBackpack : Backpack	//Used on BaseCreature
+	{
+		[Constructable]
+		public CreatureBackpack( string name )
+		{
+			Name = name;
+			Layer = Layer.Backpack;
+			Hue = 5;
+			Weight = 3.0;
+		}
+
+		public override void AddNameProperty( ObjectPropertyList list )
+		{
+			if ( Name != null )
+				list.Add( 1075257, Name ); // Contents of ~1_PETNAME~'s pack.
+			else
+				base.AddNameProperty( list );
+		}
+
+		public override void OnItemRemoved( Item item )
+		{
+			if ( Items.Count == 0 )
+				this.Delete();
+
+			base.OnItemRemoved( item );
+		}
+
+		public override bool OnDragLift( Mobile from )
+		{
+			if ( from.AccessLevel > AccessLevel.Player )
+				return true;
+
+			from.SendLocalizedMessage( 500169 ); // You cannot pick that up.
+			return false;
+		}
+
+		public override bool OnDragDropInto( Mobile from, Item item, Point3D p )
+		{
+			return false;
+		}
+
+		public override bool TryDropItem( Mobile from, Item dropped, bool sendFullMessage )
+		{
+			return false;
+		}
+
+		public CreatureBackpack( Serial serial ) : base( serial )
+		{
+		}
+
+		public override void Serialize( GenericWriter writer )
+		{
+			base.Serialize( writer );
+
+			writer.Write( (int) 1 ); // version
+		}
+
+		public override void Deserialize( GenericReader reader )
+		{
+			base.Deserialize( reader );
+
+			int version = reader.ReadInt();
+
+			if ( version == 0 )
+				Weight = 13.0;
+		}
+	}
+
 	public class StrongBackpack : Backpack	//Used on Pack animals
 	{
 		[Constructable]