Refactor delivered events check
Refactor delivered events check

KentFujii/fulcrum,ipmobiletech/fulcrum,DrTom/fulcrum,MikeRuby/fulcrumapp,Codeminer42/cm42-central,ipmobiletech/fulcrum,HenryYan2012/fulcrum,nh-platform/demo-fulcrum,KentFujii/fulcrum,DrTom/fulcrum,HenryYan2012/fulcrum,ipmobiletech/fulcrum,fulcrum-agile/fulcrum,HenryYan2012/fulcrum,MikeRuby/fulcrumapp,privatt/privatt-agile-tracker,jimbeaudoin/agile-tracker,PedroFelipe/cm42-central,PedroFelipe/cm42-central,Codeminer42/cm42-central,KentFujii/fulcrum,PedroFelipe/cm42-central,nh-platform/demo-fulcrum,fulcrum-agile/fulcrum,Aupajo/fulcrum,privatt/privatt-agile-tracker,Aupajo/fulcrum,DrTom/fulcrum,privatt/privatt-agile-tracker,jimbeaudoin/agile-tracker,fulcrum-agile/fulcrum,Codeminer42/cm42-central,Aupajo/fulcrum,nh-platform/demo-fulcrum,jimbeaudoin/agile-tracker