Remove Util.get(Collection, int) and use toArray() instead
Add an option to change the ping interval
Lower max packet size to 10 kBytes
merge of '8d66ebeab68f6165dbd977cb2b5a5d52d09eab03'
     and 'd27fa448d59dd46241e032896b0788e9057da5e1'
Implement basic address directory
Print number of running threads
Don't skip sleep() on exceptions; lower log level