Outsider Warforged, how does it work?

[Collin152]

A Psuedonatural Warforged, according to e-tools is an Outsider (Living Construct) and is doable.

A Half-Fiend Warforged isn't.

The difference is that one can be applied to "any living corporeal creature" and the other says "any corporeal creature". I suppose it depends on how literal you take "Living Construct" subtype to be.

I forget. DO warforged have constitution scores?