We nearly always want to return `{"result":"continue"}` in case that
something went wrong. This commits adds two helper macros that help us
to cleanly return from a hook while logging necessary information.
Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
Any file in this directory which is executable and whose name only
consists of alphanumeric characters, space, '.', '-' or '_' will be
automatically loaded when lightningd starts (unless suppressed with
commandline options).
0559ff1ab2