Changed session messages to be more human-like
Added default status for contact
Added version compatibility code
Added option to disable auto reconnect
Chnaged: getJarPath now returns path ended with File.seperator
Added: Force exit after 10s (see commit description)

Added: When some thread is blocking Arget from exiting after 10 seconds
from user exit request, Arget will dump thread info to file, display
error and perform force exit
Removed unnecessary disconnect request and successInit field