Hide expired keys

Hello everybody,

First of all, I would like to thank the firegpg team for such a great tool ! GPG encryption was all that was missing from gmail to make it THE webmail. Bravo guys

I would like to know if you think the following option would be interesting to implement: to have an option to hide / show expired keys when the box with the list of private keys appear. I still have my 2 old expired keys Im keeping (in case, one never knows...), and they kept appearing even though it makes no sense to encrypt / sign anything with it.

Thank you.

-- T0aD
   sysadmin of http://www.lescigales.org/