add not_found to option_search when no results
Setup iface cmdline option

We need to know the address we are listing to to generate our server
id. User can designate other listening address
Figure out client state.

Try to figure out client state and pass along the REQUEST message to
DORA machine. This helps out to keep DORA machines logic simple.
Refactor State
Refactor state init

Stream line state setup functions for the simple pool type, change
names and manage pool (ETS) and leases (DETS) separately but in sync.