Worked on ZString, MString and JString

Exception.h

@@ -7,6 +7,11 @@
 
 namespace coreutils {
 
+   ///
+   /// Use an Exception oject whenever you want to throw an error for an exception condition
+   /// to your calling stack to inform the program of the condition.
+   ///
+
    class Exception {
 
     public: