fixes justify calculation
fixes justify calculation
zace-yuan/PSTCollectionView,Kevin775263419/PSTCollectionView,jianwoo/PSTCollectionView,CorzFree/PSTCollectionView,zjh171/PSTCollectionView,godLoveLucifer/PSTCollectionView,ba01ei/PSTImprovedCollectionView,StephaneDelcroix/PSTCollectionView,Anish-kumar-dev/PSTCollectionView,thevuuranusls/PSTCollectionView,StephaneDelcroix/PSTCollectionView,Amnysia/PSTCollectionView,steipete/PSTCollectionView,niuxinghua/PSTCollectionView