Fixed setting dbref to True on abstract reference fields causing the reference to be stored incorrectly
Fixed setting dbref to True on abstract reference fields causing the reference to be stored incorrectly

cogniteev/mongoengine,ProgressivePlanning/mongoengine,larsbutler/mongoengine,MakerReduxCorp/mongoengine,Davidrjx/mongoengine,cogniteev/mongoengine,MakerReduxCorp/mongoengine,MRigal/mongoengine,MongoEngine/mongoengine,ConsumerPhysics/mongoengine,sourcelair/mongoengine,Davidrjx/mongoengine,DavidBord/mongoengine,RussellLuo/mongoengine,touilleMan/mongoengine