[Nitro] Hash and field name

[Emmanuel Piperakis]

> thanks Manolis, nice to see you contributing back to the project ;-)
>
I keep really detailed notes of the developing / problems I face during 
the different stages of my application. When I finish, I will put all 
these into a small intro for Nitro, called
"Nitro: It's all Greek to me" !!! (Michael and I decided that name has a 
nice ring to it :-)

Emmanouil Piperakis (epiperak at cs.ntua.gr)
{To explore is Human, to Create is Devine,
  To teach is Primal, to Rule is Sin}