FDB: communicate problem to the Kenwood is fixed -> Just need wait;
update/ remove deprecated libdb.sh;
json-logpick moves to utils;
remove wait from snd(),
  No need wait in snd. If the communication path is too slow, wait is needed between snd and rcv. But sending immediately after rcv is not affect to bad response.
json-logpick was moved;
provide commands for get all status from kenwood;
Frame#cut()/ use split for delimited data;