diff --git a/OpenSim/Framework/InventoryItemBase.cs b/OpenSim/Framework/InventoryItemBase.cs
index 2968712aaa..cab241ee9a 100644
--- a/OpenSim/Framework/InventoryItemBase.cs
+++ b/OpenSim/Framework/InventoryItemBase.cs
@@ -84,26 +84,38 @@ namespace OpenSim.Framework
                 m_creatorId = value;
             }
         }
+        protected string m_creatorId;
 
-        protected string m_creatorId = UUID.Zero.ToString();
         /// <value>
-        /// The creator of this item expressed as a UUID.  Database plugins don't need to set this, it will be set by
+        /// The UUID for the creator.  This may be different from the canonical CreatorId.  This property is used
+        /// for communication with the client over the Second Life protocol, since that protocol can only understand
+        /// UUIDs.  As this is a basic framework class, this means that both the string creator id and the uuid
+        /// reference have to be settable separately
+        ///
+        /// Database plugins don't need to set this, it will be set by
         /// upstream code (or set by the get accessor if left unset).
+        ///
+        /// XXX: An alternative to having a separate uuid property would be to hash the CreatorId appropriately
+        /// every time there was communication with a UUID-only client.  This may be much more expensive.
         /// </value>
         public UUID CreatorIdAsUuid 
         {
             get
             {
-                UUID temp = UUID.Zero;
-                UUID.TryParse(CreatorId, out temp);
-                return temp;
+                if (UUID.Zero == m_creatorIdAsUuid)
+                {
+                    UUID.TryParse(CreatorId, out m_creatorIdAsUuid);
+                }
+
+                return m_creatorIdAsUuid;
             }
             
             set
             {
-                CreatorId = value.ToString();
+                m_creatorIdAsUuid = value;
             }
         }     
+        protected UUID m_creatorIdAsUuid = UUID.Zero;
 
         /// <value>
         /// The description of the inventory item (must be less than 64 characters)
diff --git a/OpenSim/Framework/Servers/HttpServer/RestSessionService.cs b/OpenSim/Framework/Servers/HttpServer/RestSessionService.cs
index f5e42483e9..ec2f9ec1fa 100644
--- a/OpenSim/Framework/Servers/HttpServer/RestSessionService.cs
+++ b/OpenSim/Framework/Servers/HttpServer/RestSessionService.cs
@@ -236,10 +236,6 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// <summary>
         /// The operation to perform once trust has been established.
         /// </summary>
-        /// <param name="httpMethod"></param>
-        /// <param name="path"></param>
-        /// <param name="method"></param>
-        /// <param name="tmethod"></param>
         private RestDeserialiseMethod<TRequest, TResponse> m_method;
 
         /// <summary>
diff --git a/OpenSim/Framework/Servers/VersionInfo.cs b/OpenSim/Framework/Servers/VersionInfo.cs
index 7ed3b96dc3..c16a7f4534 100644
--- a/OpenSim/Framework/Servers/VersionInfo.cs
+++ b/OpenSim/Framework/Servers/VersionInfo.cs
@@ -48,6 +48,6 @@ namespace OpenSim
         /// of the code that is too old. 
         ///   
         /// </value>
-        public readonly static int MajorInterfaceVersion = 3;
+        public readonly static int MajorInterfaceVersion = 4;
     }
 }
diff --git a/OpenSim/Grid/InventoryServer/GridInventoryService.cs b/OpenSim/Grid/InventoryServer/GridInventoryService.cs
index 16d8154a56..66dfb14881 100644
--- a/OpenSim/Grid/InventoryServer/GridInventoryService.cs
+++ b/OpenSim/Grid/InventoryServer/GridInventoryService.cs
@@ -44,6 +44,8 @@ namespace OpenSim.Grid.InventoryServer
     /// </summary>
     public class GridInventoryService : InventoryServiceBase
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
         private bool m_doLookup = false;
 
         public bool DoLookup
@@ -51,8 +53,7 @@ namespace OpenSim.Grid.InventoryServer
             get { return m_doLookup; }
             set { m_doLookup = value; }
         }
-        private static readonly ILog m_log
-            = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
         private static readonly int INVENTORY_DEFAULT_SESSION_TIME = 30; // secs
 
         private string m_userserver_url;