Fixed bug for adding student without grace day field
Fixed bug for adding student without grace day field

jeremygoh/Markus,selyanhb/Markus,WilsonChiang/Markus,melneubert/Markus,MarkUsProject/Markus,selyanhb/Markus,kmccoan/Markus,finnergizer/Markus,benjaminvialle/Markus,finnergizer/Markus,wkwan/Markus,benjaminvialle/Markus,jeremygoh/Markus,reidka/Markus,benjaminvialle/Markus,arkon/Markus,benjaminvialle/Markus,MarkUsProject/Markus,SoftwareDev/Markus,wkwan/Markus,selyanhb/Markus,reidka/Markus,selyanhb/Markus,david-yz-liu/Markus,MarkUsProject/Markus,melneubert/Markus,david-yz-liu/Markus,selyanhb/Markus,melneubert/Markus,arkon/Markus,jeremygoh/Markus,WilsonChiang/Markus,binuri/Markus,ealonas/Markus,ealonas/Markus,david-yz-liu/Markus,reidka/Markus,reidka/Markus,SoftwareDev/Markus,SoftwareDev/Markus,arkon/Markus,SoftwareDev/Markus,jeremygoh/Markus,arkon/Markus,ealonas/Markus,WilsonChiang/Markus,kmccoan/Markus,melneubert/Markus,SoftwareDev/Markus,WilsonChiang/Markus,melneubert/Markus,finnergizer/Markus,kmccoan/Markus,kmccoan/Markus,kmccoan/Markus,Lysette/Markus,binuri/Markus,benjaminvialle/Markus,finnergizer/Markus,melneubert/Markus,jeremygoh/Markus,Lysette/Markus,binuri/Markus,Lysette/Markus,melneubert/Markus,MarkUsProject/Markus,Lysette/Markus,MarkUsProject/Markus,kmccoan/Markus,wkwan/Markus,jeremygoh/Markus,david-yz-liu/Markus,ealonas/Markus,SoftwareDev/Markus,WilsonChiang/Markus,wkwan/Markus,david-yz-liu/Markus,wkwan/Markus,binuri/Markus,david-yz-liu/Markus,binuri/Markus,WilsonChiang/Markus,jeremygoh/Markus,reidka/Markus,ealonas/Markus,kmccoan/Markus,reidka/Markus,ealonas/Markus,wkwan/Markus,reidka/Markus,david-yz-liu/Markus,selyanhb/Markus,binuri/Markus,WilsonChiang/Markus,finnergizer/Markus,finnergizer/Markus,ealonas/Markus,MarkUsProject/Markus,selyanhb/Markus,Lysette/Markus,melneubert/Markus,wkwan/Markus,arkon/Markus,finnergizer/Markus,jeremygoh/Markus,binuri/Markus,Lysette/Markus,melneubert/Markus,wkwan/Markus,reidka/Markus,reidka/Markus,ealonas/Markus,binuri/Markus,WilsonChiang/Markus,benjaminvialle/Markus,arkon/Markus,WilsonChiang/Markus,binuri/Markus,finnergizer/Markus,wkwan/Markus,benjaminvialle/Markus,arkon/Markus,SoftwareDev/Markus,finnergizer/Markus,MarkUsProject/Markus,ealonas/Markus,Lysette/Markus,MarkUsProject/Markus,david-yz-liu/Markus,jeremygoh/Markus,arkon/Markus,arkon/Markus,david-yz-liu/Markus,selyanhb/Markus