Also, we split the more sophisticated json_add helpers to avoid pulling in
everything into lightning-cli, and unify the routines to print struct
short_channel_id (it's ':', not '/' too).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
In particular, remove fee ranges on testnet (too unreliable) and accept
a single confirm.
(Note that an earlier version of this had a bug when there was no
config file, this version includes the fix).
Closes: #40
Reported-by: Glenn Willen
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>