VOID_DataValue: Added ValueUnitString() and DoGUIHorizontal() to the interface.
VOID_DataValue: Added ValueUnitString() and DoGUIHorizontal() to the interface.

--- a/VOID_DataValue.cs
+++ b/VOID_DataValue.cs
@@ -26,6 +26,8 @@
 	public interface IVOID_DataValue
 	{
 		void Refresh();
+		string ValueUnitString();
+		void DoGUIHorizontal();
 	}
 
 	public class VOID_DataValue<T> : IVOID_DataValue