watch problems

[Piotr Niżyński]

Lee H napisał(a):
> It was designed so that anything can be stacked together, which comes apart
> if you get drones designed to exploit it.  Yet a number of clients rely on
> this stacking and the ability to issue WATCH at will, which makes it hard 
> to secure.

We can mark what watch entries are to be verified and send replies once 
per pace_wait_simple, for example from check_pings.