Added basic auto fishing

MinecraftClient/Commands/UseItem.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MinecraftClient.Commands
+{
+    class UseItem : Command
+    {
+        public override string CMDName { get { return "useitem"; } }
+        public override string CMDDesc { get { return "useitem: Use (left click) an item on the hand"; } }
+
+        public override string Run(McTcpClient handler, string command)
+        {
+            handler.useItemOnHand();
+            return "Use an item";
+        }
+    }
+}