Correctly calculate date difference (signs are hard)
Correctly calculate date difference (signs are hard)

kjagoo/wger_stark,petervanderdoes/wger,rolandgeider/wger,wger-project/wger,DeveloperMal/wger,petervanderdoes/wger,rolandgeider/wger,kjagoo/wger_stark,rolandgeider/wger,rolandgeider/wger,wger-project/wger,petervanderdoes/wger,DeveloperMal/wger,wger-project/wger,wger-project/wger,DeveloperMal/wger,DeveloperMal/wger,kjagoo/wger_stark,petervanderdoes/wger,kjagoo/wger_stark