Creating docs for drb, need help

I'm creating a session/drb document, trying to collect all the random
bits out there.

http://wiki.rubyonrails.org/rails/pages/HowToUseSessionsWithDrb

I have a DrbStore session server running, but I would like to query it
with a separate program. I'm using the following for that client:

#!/usr/bin/ruby
require 'drb'
print "Session Program"
DRb.start_service
session=DRbObject.new(nil, "druby://localhost:9192")
session.each_pair do |k, v|
  print k.to_s + ":" + v.inspect + "\n"
end

which I get:

Session Program<session>:#<DRb::DRbUnknown:0xb7f0a55c
@name="ActionController::",
@buf="\004\b{\006\"\nflashIC:'ActionController::Flash::FlashHash{\000\006:\n@used{\000">

All the examples between serialization between client and server use
DRbUndumped in the model to be serialized. How do I do this with rails
without loading ActionController into the session server?

Ultimately, I'd like to add information to the session, like
updated_at.

Any help appreciated!