updated docs for django shortcuts get_object_or_404 and get_list_or_404
updated docs for django shortcuts get_object_or_404 and get_list_or_404

jimmyshen/mongoengine,9nix00/mongoengine,losintikfos/mongoengine,MRigal/mongoengine,DavidBord/mongoengine,nathanial/mongoengine,larsbutler/mongoengine,Davidrjx/mongoengine,khallaghi/mongoengine,MakerReduxCorp/mongoengine,gavincabbage/mongoengine,starsirius/mongoengine,elephanter/mongoengine,cogniteev/mongoengine,blaggacao/mongoengine,ProgressivePlanning/mongoengine,Multiposting/mongoengine,Catstyle/mongoengine,Davidrjx/mongoengine,nicolascine/mongoengine,reallistic/mongoengine,iandd0824/mongoengine,prijindal/mongoengine,yarneo/mongoengine,sourcelair/mongoengine,ConsumerPhysics/mongoengine,ms5/mongoengine,touilleMan/mongoengine,eli-b/mongoengine,MongoEngine/mongoengine,MakerReduxCorp/mongoengine,cogniteev/mongoengine,noirbizarre/mongoengine,WingGao/mongoengine,gmacon/mongoengine,muhammad-ammar/mongoengine,RussellLuo/mongoengine