Fix for -[PSTCollectionView insertSections:] II
Fix for -[PSTCollectionView insertSections:] II

Maybe this is the better way of fixing the issue. You have to decide.

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