Fix private/protected and nil check
Fix private/protected and nil check

feelfreelinux/WikiEduDashboard,feelfreelinux/WikiEduDashboard,ragesoss/WikiEduDashboard,Wowu/WikiEduDashboard,ragesoss/WikiEduDashboard,Wowu/WikiEduDashboard,KarmaHater/WikiEduDashboard,majakomel/WikiEduDashboard,Wowu/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,alpha721/WikiEduDashboard,Wowu/WikiEduDashboard,MusikAnimal/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,KarmaHater/WikiEduDashboard,alpha721/WikiEduDashboard,KarmaHater/WikiEduDashboard,KarmaHater/WikiEduDashboard,MusikAnimal/WikiEduDashboard,ragesoss/WikiEduDashboard,majakomel/WikiEduDashboard,adamwight/WikiEduDashboard,MusikAnimal/WikiEduDashboard,sejalkhatri/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,alpha721/WikiEduDashboard,sejalkhatri/WikiEduDashboard,MusikAnimal/WikiEduDashboard,sejalkhatri/WikiEduDashboard,feelfreelinux/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,feelfreelinux/WikiEduDashboard,alpha721/WikiEduDashboard,majakomel/WikiEduDashboard,majakomel/WikiEduDashboard,sejalkhatri/WikiEduDashboard,adamwight/WikiEduDashboard,sejalkhatri/WikiEduDashboard,adamwight/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard