Serious work on JString and some minor MString ajustments.

MString.cpp

@@ -258,6 +258,7 @@ namespace coreutils {
       int newBufferSize = ((size / 256) + 1) * 256;
       if (bufferSize != newBufferSize) {
          bufferSize = newBufferSize;
+	 std::cout << "Adjusting storage size to " << bufferSize << " to accomodate " << size << "bytes." << std::endl;
          data = (char *)realloc(data, bufferSize);
          cursor = data + cursorOffset;
       }