(in no special order)

* support for excel dump

* enhance performance by reducing the number of XML parses

* support for text-style questions

* page break option for long questionnaires

* write validator for enforcing answers when NA is not option

* check if scale matches number of options in groups

* make sure that question text is not empty

* grouping evaluation results according to a question

* write a DTD and check for validity

* published questionnaires slot for easy navigation

* character-based (readable) tickets

* use javascript for the design form

* merge the design form with the edit form

* edit existing questions in groups

* change order of groups and questions

* remove special comment handling (?)
