Remove Duplicate Clockings
* Pair In/out times.
* Report unpaired clockings
* Create a data record for each employee with details of Standard
In time and out time. (WMR)
* Find exceptional pairs of clockings view Night shift employees
* Validate clockings. ex: Detect work time more that 24 hrs
* Mark Absentees, employees on leave
* Calculate employees work time, break time, excess early, excess after, overtime.