- names.c: remove memory leaks
- names.c: reading of separate subsystem entries

- update the web page

- some extended capabilities are currently only partially decoded
- finish PCI-X 2.0 capabilities
- finish PCI Express support
- reading of VPD
- change machine-readable output?
- "Class %04x" -> "%04x"
- merge pcimodules?

PCIIDS:
- another mirror at Atrey?
- delete old DB at SF
