[evol] improve a bit how interface errors are transmitted
[fix] adapted Interface to recent changes, pass bot object, and correct api_methods() calculation
[evol] mapmaker_client can now exit when all is done (not too early, without race conditions)
[evol] preliminary work for NOTIFY: closed thread are handled but close too early in most situations yet (need request/reply tracking)
[evol] conversation/bot protocol rework §8 (refs #30): preliminary client-side protocol handling
[fix/evol] conversation/bot protocol rework §8 (refs #30)
[fix] BotNet: handle UNIX Socket connect failure (EM.connect fails at once, not via the handler)
[fix] workaround config loaded too late (i need to find a better way to select code in the included modules)
[evol] add a basic test client for MapMaker