Fixed Issue #4: Changed function iCustom to use request/respons pattern.

MtApi/Requests/ICustomRequest.cs

@@ -0,0 +1,30 @@
+
+using System;
+using System.Collections;
+
+namespace MtApi.Requests
+{
+    public class ICustomRequest : RequestBase
+    {
+        public enum ParametersType
+        {
+            Int     = 0,
+            Double  = 1,
+            String  = 2,
+            Boolean = 3
+        }
+
+        public string Symbol { get; set; }
+        public int Timeframe { get; set; }
+        public string Name { get; set; }
+        public int Mode { get; set; }
+        public int Shift { get; set; }
+        public ArrayList Params { get; set; }
+        public ParametersType ParamsType { get; set; }
+
+        public override RequestType RequestType
+        {
+            get { return RequestType.iCustom; }
+        }
+    }
+}