- the NSD 3 feature of special zone stats are not ported to 4 yet,   as it would entail a complete reimplementation of the feature.
- the NSD 3 feature of special zone stats are not ported to 4 yet,
  as it would entail a complete reimplementation of the feature.

jmkeyes/nsd,jmkeyes/nsd,jmkeyes/nsd