* AriaProcessor.scala: STILL FIXING killZombie()!!
* AriaProcess.scala: added NullifyProcess()
* AriaProcessor.scala: moved the ProcessBuilder code to Utils
* Utils.scala: added content to killZombie()
* AriaProcessor.scala:
* UpdateProgressJob.scala

added DEBUG comments
* AriaProcessor.scala:
* UpdateProgressJob.scala

added DEBUG comments
* AriaProcessor.scala: check the torrent uri for correctness; in killProcess(), just empty the ActiveProcessses list
* AriaProcessor.scala: in killProcess(), kill all Aria2 processes with their PIDs and just empty the ActiveProcessses list
* Utils.scala: curious about the output of process killing
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!
STILL DEBUGGING THE DAMN THING!

* AriaProcessor.scala: added new property "_lastKillTime"; in restartDownload(), check if the "last kill time" is over 10 seconds ago; if not
 just return
STILL DEBUGGING THE DAMN THING!

* AriaProcessor.scala: added safeTime()
* UpdateProgressJob.scala: if it's not "safe time", then don't continue
STILL DEBUGGING THE DAMN THING!

* AriaProcessor.scala: killProcess(), if it's not safe return
STILL DEBUGGING THE DAMN THING!

* AriaProcessor.scala: safeTime(), modified timeout to 30s