Removed checks for pid
Restart now times out and retries instead of hanging.
Merge branch 'dev' into halting-issue
Fixed regression in isRunning
Added methods to sigkill and sigint a server's screen session
Will now sigint and sigkill a server if stop doesn't stop it
Sending EOF to the rc interactive prompt now exits rc
rc no longer uses a lockfile
no longer persisting anything when started with no options
Now wipes screen session if sigkill is used