Implemented job killing and dealing with cancelled and status 8022 jobs

* Implemented function to kill jobs when needed
* Implemented function to check if jobs need to be killed
* Implemented how to deal with cancelled jobs
* Implemented how to deal with jobs finishing with status 8022
Moving crabSilent option to verbose

* Now by default CRAB output is suppressed from STDOUT, the user can still get it by using -v or --verbose options
Added accounting for created jobs