Add virtual destructor to DataModelBase, such that derived classes will have their destructor called (#31)

Author: tdealtry

src/DataModelBase/DataModelBase.h

@@ -30,7 +30,9 @@ namespace ToolFramework{
 
   public:
 
-    DataModelBase(); ///< Simple constructor 
+    DataModelBase(); ///< Simple constructor
+
+    virtual ~DataModelBase() = default; ///< Simple destructor
 
     Logging *Log; ///< Log class pointer for use in Tools, it can be used to send messages which can have multiple error levels and destination end points