Moving class IntsKey and relevant parts to ints_key.h
Moving class IntsKey and relevant parts to ints_key.h

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