timeslot entries related helper methods
timeslot entries related helper methods

- Get Timeslot entries according to requested day of week.
- Get a timeslot cursor (to be used to compare if the requested date
  match any timeslots).

TECLIB/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi