Kati leptomeries

Sti CPU piga na grapsw kati alla telika dn to grapsa ke evala ena
getter/setter gia to LastProcessStartTime.
Sti ready processes apantisa se ena comment.
Ston SJF evala ena line pou ka8e fora otan benei to process sti CPU
kratiete o xronos ke apo8ikevete sti LastProcessStartTime.