BUG: Use the URL actually passed.
BUG: Use the URL actually passed.

And move constants closer to where they're used.

bartosh/zipline,Scapogo/zipline,magne-max/zipline-ja,Scapogo/zipline,bartosh/zipline,enigmampc/catalyst,florentchandelier/zipline,wilsonkichoi/zipline,humdings/zipline,alphaBenj/zipline,umuzungu/zipline,quantopian/zipline,wilsonkichoi/zipline,quantopian/zipline,magne-max/zipline-ja,umuzungu/zipline,alphaBenj/zipline,florentchandelier/zipline,enigmampc/catalyst,humdings/zipline