TODO

   1 - review class names
   2
   3 DNS mode:
   4 - check negative caching
   5 - check handling of network errors
   6 - try to avoid libresolv.a
   7
   8 Capabilities with partial decoding:
   9 - PCIe 2nd set of control/status registers (have spec)
  10 - HyperTransport caps (have spec)
  11
  12 Capabilities with no decoding:
  13 - VPD (have spec)
  14 - CompactPCI hot-swap
  15 - CompactPCI central resource control
  16 - AGP3
  17 - Secure device
  18 - SATA HBA (have spec)
  19 - Advanced features (have spec)
  20 - Advanced Error Reporting (ext'd)
  21 - Virtual Channel (ext'd)
  22 - Power Budgeting (ext'd)
  23 - Root Complex * (ext'd)
  24 - Multi-Function Virtual Channel (ext'd)
  25 - Root Bridge Control Block (ext'd)
  26 - Access Controls (ext'd)
  27
  28 PCIIDS:
  29 - delete old DB at SF