1. Add USE_QT option to build a QT version of the library
2. Add options to FormulaAsText function. e.g. optionRemoveAt to
make removal of leading @ on functions optional.
3. Split classes into individual files
4. Add missing functions to FormulaAsText
5. Add dmalloc option
6. Add more record types
7. Add output functionality so that Quattro Pro files can be created
as well as read.
8. Add test program
9. Port to other platforms?
