added a pretty output to JString. Initial.

JString.cpp

@@ -169,5 +169,39 @@ namespace coreutils {
       }
       reset();
    }
+
+   MString JString::pretty() {
+      MString output;
+      reset();
+      char ch;
+      int index = 0;
+      while(!eod()) {
+	 ch = nextChar();
+	 if(ch == '{') {
+	    index += 3;
+	    std::cout << "{\n";
+	    for(int ix = 0; ix < index; ++ix)
+	      std::cout << ' ';
+	 }
+	 else if(ch == ':') {
+	    std::cout << ": ";
+	 }	 
+	 else if(ch == '}') {
+	    index -= 3;
+	    std::cout << '\n';
+	    for(int ix = 0; ix < index; ++ix)
+	      std::cout << ' ';
+	    std::cout << ch << '\n';
+	 }	 
+	 else if(ch == ',') {
+	    std::cout << ",\n";
+	    for(int ix = 0; ix < index; ++ix)
+	      std::cout << ' ';
+	 }
+	 else
+	   std::cout << ch;
+      }
+      return output;      
+   }
       
 }