Changes to MString to add insert and remove methods.

JString.h

@@ -0,0 +1,31 @@
+#ifndef __JString_h__
+#define __JString_h__
+
+#include "MString.h"
+#include <iostream>
+#include <sstream>
+
+namespace coreutils {
+
+   ///
+   /// Use the JString object when you need a JSON interface to C++. JString uses
+   /// an MString to store a JSON string representing the object(s) contained.
+   /// The [] operator is overriden from the ZString and provides a method to
+   /// access the objects elements using a named path as the index to the items.  
+   ///
+
+   class JString : public MString {
+
+    public:
+
+      MString & operator[](char *key);
+
+      MString & operator[](ZString &key);
+
+      MString & operator[](std::string key);
+      
+   };
+
+}
+
+#endif