Fix memory leak.

Answers issue #14

src/model/exception/magnitudeException.h

@@ -27,11 +27,12 @@ class MagnitudeException : public std::exception
 
         virtual ~MagnitudeException() throw()
         {
-            //this->_triedValue must not be freed by ~this !
+            delete(this->_triedValue);
         }
 
         Magnitude & getMagnitude() const {return *(this->_triedValue);}
 
+
 };
 
 #endif // SRC_EXCEPTION_MAGNITUDE_EXCEPTION_H_
\ No newline at end of file