Implement tab list display name update

Packet 0x2D with action 0x03

MinecraftClient/McTcpClient.cs

@@ -597,6 +597,21 @@ namespace MinecraftClient
             }
         }
 
+        /// <summary>
+        /// Get an online player by UUID
+        /// </summary>
+        /// <param name="uuid">Player UUID</param>
+        /// <returns>The player, or NULL if not found</returns>
+        public PlayerInfo GetPlayer(Guid uuid)
+        {
+            lock (onlinePlayers)
+            {
+                if (onlinePlayers.ContainsKey(uuid))
+                    return onlinePlayers[uuid];
+                return null;
+            }
+        }
+
         /// <summary>
         /// Registers the given plugin channel for the given bot.
         /// </summary>