Utils guidelines

[itdependsnetworks]

In reference to napalm-automation/napalm-base#93

I'm sure all are busy, just wanted to make sure it didn't get lost in shuffle forever.

[dbarrosop]

Yeah, this might get some love soon. I am very sorry this was left behind but I was struggling a bit seeing how to put this and other ideas together in a meaningful way but I think I am getting there...

Again, I am sorry your PR has been sitting idle for a while now, I know how frustrating that can be sometimes : (

[itdependsnetworks]

No biggie. Just was on a github follow up tangent and hit this up too :)