More flexibility and consistency for invites and self-devoicing/halfoping

Signed-off-by: pad <pad@rezosup.net>
Network split noop override for opers, +O improved handling

Signed-off-by: pad <pad@rezosup.net>
Protects services from kicks

Signed-off-by: pad <pad@rezosup.net>
No more debug spam due to ssl failing without any error

Signed-off-by: pad <pad@rezosup.net>