changed clui default interface to localhost
removed some unused methods from MessageHandler and enabled sqlite stuff for registering peers
added LongJob
fixed deadlock on loadConfig, added LongJobWorker to Backend
implemented Ping/Pong long jobs and changed MessageHandler to run in Connection's main thread
added backend wait for connections to terminate, but connections dont terminate
fixed attempted connections not set to non-blocking
fixed Connection waiting on worker thread when I removed worker thread befor
fixed deadlock in Connection by removing Lock from initDH
fixed JobQueue linked list not updating last pointer