Added HowMany setting Property to limit the number of procedures converted.

Use Command Line Parameters ass override for settings.
Add logic to support partial processing of procedure sets (appending to a previously processed set.

PROMS/DataLoader/DataLoaderSettings.cs

@@ -263,6 +263,15 @@ namespace DataLoader
 			get { return _Skip; }
 			set { _Skip = value; }
 		}
+		private int _HowMany=0; // Skip specified procedures during load.
+		[DisplayName("How Many Procedures should be converted")]
+		[Category("Debugging")]
+		[Description("Only process part of the set.")]
+		public int HowMany
+		{
+			get { return _HowMany; }
+			set { _HowMany = value; }
+		}
 		#endregion
 		#region Accessory Pages
 		private AccPageConversion _ConvertTo;