* dkg-gnunet-common: stabilize reconnect
* provide aiounicast_select.hh
* provide simple Bracha RBC
+ provide interactive versions for the non-interactive protocols of VTMF
  (for applications that cannot rely on the random oracle assumption)

- implement the exotic card and stack operations of the toolbox; there are
  some obstacles, e.g. that the prover does not know all used randomizers,
  for the subset and superset protocols; general protocols for private
  set operations are also not useful, because they do not provide the link
  from the shuffled deck to individual set operations
