[Crash-utility] Update of list to accept several options -s x.a -sx.b -s x.c

[Dave Anderson]

Olivier Daudel wrote:

> Hi Dave,
> I hope this does not break anything.
> Very usefull for me to be able to view a chosen list of fields.
> Later i shall implement :
> -s x.a,b,c (as a shortcut for -s x.a -s x.b -s x.c)
> Olivier

Hi Olivier,

This is a nice feature!

However, I did replace the way your patch gathers
multiple -s options implementation to make it easier to
understand by using crash's built-in hash-queue-list
facility again.

Also, I've gone ahead and put in support for comma-separated
member arguments as you've shown above.

All queued for the next release...

Thanks again,
  Dave