ENH: Consolidate logic into load_data method
ENH: Consolidate logic into load_data method

CDSFinance/zipline,chrjxj/zipline,MonoCloud/zipline,otmaneJai/Zipline,umuzungu/zipline,ChinaQuants/zipline,michaeljohnbennett/zipline,enigmampc/catalyst,MonoCloud/zipline,florentchandelier/zipline,alphaBenj/zipline,CDSFinance/zipline,bartosh/zipline,ChinaQuants/zipline,bartosh/zipline,michaeljohnbennett/zipline,sketchytechky/zipline,grundgruen/zipline,humdings/zipline,chrjxj/zipline,YuepengGuo/zipline,otmaneJai/Zipline,umuzungu/zipline,sketchytechky/zipline,quantopian/zipline,enigmampc/catalyst,magne-max/zipline-ja,grundgruen/zipline,wilsonkichoi/zipline,wilsonkichoi/zipline,dmitriz/zipline,humdings/zipline,quantopian/zipline,alphaBenj/zipline,jimgoo/zipline-fork,nborggren/zipline,dmitriz/zipline,Scapogo/zipline,jimgoo/zipline-fork,YuepengGuo/zipline,magne-max/zipline-ja,nborggren/zipline,florentchandelier/zipline,Scapogo/zipline