[Shtoom] How to turn off stun w/ doug?

[Amos Latteier]

Hi,

I'm trying to figure out how to make doug not use STUN. Looking through 
shtoom/opts.py it looks like I can add this to my config file:

   [network]
   nat=none
   stun_policy=never

However, when I do this, I still see:

   NAT preference says to use both

In my logs, and doug still uses stun.

It seems that doug is rewriting my config file and erasing the network 
options group.

In general I don't really understand the preferences system. I see how 
to set my config file by overriding configFileName in DougApplication 
subclasses, and I figured some things out by examining opts.py but I 
don't really understand the intention of the system. It looks like I can 
perhaps override some options via the boot() method...

Any suggestions? Thanks!

-Amos