passive listeners can register on the bus
active listeners wait for signals actively
multiplexing allows multiple listeners to receive debug signals
a lot more...
host_t (%H)
identification_t (%D)
chunk pointers (%B)
memory pointer/length (%b)
added a signaling bus:
receives event and debug messages, sends them to its listeners
stream_logger, sys_logger, file_logger added, listen to bus
some other tweaks here and there