added RPG example on how to calculate the weekstart and -end by using the CEE API
added RPG example on how to calculate the weekstart and -end by using the CEE API

chrjorgensen/OSSILE,OSSILE/OSSILE,BrianGarland/OSSILE,BrianGarland/OSSILE,BrianGarland/OSSILE,OSSILE/OSSILE,chrjorgensen/OSSILE,chrjorgensen/OSSILE,OSSILE/OSSILE