add equality check in ItermPointer
add equality check in ItermPointer

yingjunwu/peloton,phisiart/peloton-p3,PauloAmora/peloton,haojin2/peloton,PauloAmora/peloton,phisiart/peloton-p3,vittvolt/15721-peloton,prashasthip/peloton,jessesleeping/iso_peloton,yingjunwu/peloton,wangziqi2016/peloton,AngLi-Leon/peloton,apavlo/peloton,vittvolt/15721-peloton,AllisonWang/peloton,haojin2/peloton,cmu-db/peloton,haojin2/peloton,cmu-db/peloton,vittvolt/peloton,vittvolt/peloton,prashasthip/peloton,jessesleeping/iso_peloton,AllisonWang/peloton,jessesleeping/iso_peloton,haojin2/peloton,cmu-db/peloton,cmu-db/peloton,AllisonWang/peloton,cmu-db/peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,AllisonWang/peloton,seojungmin/peloton,malin1993ml/peloton,yingjunwu/peloton,seojungmin/peloton,eric-haibin-lin/peloton-1,vittvolt/15721-peloton,AngLi-Leon/peloton,prashasthip/peloton,prashasthip/peloton,seojungmin/peloton,ShuxinLin/peloton,phisiart/peloton-p3,vittvolt/peloton,ShuxinLin/peloton,malin1993ml/peloton,AngLi-Leon/peloton,yingjunwu/peloton,malin1993ml/peloton,seojungmin/peloton,apavlo/peloton,eric-haibin-lin/peloton-1,PauloAmora/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,AllisonWang/peloton,jessesleeping/iso_peloton,vittvolt/15721-peloton,wangziqi2016/peloton,phisiart/peloton-p3,AllisonWang/peloton,apavlo/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,prashasthip/peloton,apavlo/peloton,ShuxinLin/peloton,eric-haibin-lin/peloton-1,apavlo/peloton,eric-haibin-lin/peloton-1,ShuxinLin/peloton,malin1993ml/peloton,apavlo/peloton,PauloAmora/peloton,vittvolt/15721-peloton,seojungmin/peloton,AngLi-Leon/peloton,malin1993ml/peloton,wangziqi2016/peloton,PauloAmora/peloton,AngLi-Leon/peloton,ShuxinLin/peloton,prashasthip/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,eric-haibin-lin/peloton-1,haojin2/peloton,PauloAmora/peloton,phisiart/peloton-p3,ShuxinLin/peloton,vittvolt/peloton,vittvolt/peloton,haojin2/peloton,yingjunwu/peloton,wangziqi2016/peloton,AngLi-Leon/peloton,vittvolt/15721-peloton,yingjunwu/peloton,cmu-db/peloton,seojungmin/peloton,malin1993ml/peloton