Added chunk size as requested in issue: https://github.com/Esri/ArcREST/issues/152
Added chunk size as requested in issue: https://github.com/Esri/ArcREST/issues/152

adegwerth/ArcREST,BrunoCaimar/ArcREST,Esri/ArcREST,pLeBlanc93/ArcREST,DShokes/ArcREST