- *_io.pm -> io.pm communication in xml
- write schematron validators for data, io, requests, answers
- implement <destroy>self</destroy> (self path and destroy function)
- design a good tk and text item / inventory system
- make using items possible with currying for more than one item
- make tooltips and popup menu's for actions in the tk client
- find out if IO::Socket works properly in Windows (it works, but well enough?)