checkpoint
Finished writing SetJobPreferenceLevel, it appears that SetJobDepartment doesnt support direct level input
Added GetJobLevel
Updated link handling and link href-s
Removed a check for removed argument
Bad values
Edited the URL handling again to make more sense.
Updated changelog.
Added an instruction, as per request of errorage.
Merge pull request #779 from Khubajsn/jobOccupationRightClick

Right clicking a job preference level will now lower it.