Updates msgpack-python to latest. 0.2.3 -> 0.2.4
Updates msgpack-python to latest. 0.2.3 -> 0.2.4

wubr2000/zipline,dkushner/zipline,quantopian/zipline,morrisonwudi/zipline,AlirezaShahabi/zipline,michaeljohnbennett/zipline,enigmampc/catalyst,morrisonwudi/zipline,florentchandelier/zipline,semio/zipline,otmaneJai/Zipline,nborggren/zipline,dmitriz/zipline,cmorgan/zipline,grundgruen/zipline,quantopian/zipline,alphaBenj/zipline,aajtodd/zipline,AlirezaShahabi/zipline,bartosh/zipline,jimgoo/zipline-fork,dkushner/zipline,zhoulingjun/zipline,enigmampc/catalyst,joequant/zipline,umuzungu/zipline,euri10/zipline,MonoCloud/zipline,bartosh/zipline,florentchandelier/zipline,CarterBain/AlephNull,umuzungu/zipline,Scapogo/zipline,grundgruen/zipline,sketchytechky/zipline,ronalcc/zipline,cmorgan/zipline,keir-rex/zipline,chrjxj/zipline,magne-max/zipline-ja,davidastephens/zipline,jordancheah/zipline,nborggren/zipline,CDSFinance/zipline,CDSFinance/zipline,euri10/zipline,Scapogo/zipline,otmaneJai/Zipline,mattcaldwell/zipline,YuepengGuo/zipline,stkubr/zipline,wilsonkichoi/zipline,YuepengGuo/zipline,kmather73/zipline,mattcaldwell/zipline,DVegaCapital/zipline,stkubr/zipline,gwulfs/zipline,jordancheah/zipline,alphaBenj/zipline,zhoulingjun/zipline,magne-max/zipline-ja,aajtodd/zipline,erikness/AlephOne,chrjxj/zipline,davidastephens/zipline,iamkingmaker/zipline,sketchytechky/zipline,dhruvparamhans/zipline,keir-rex/zipline,StratsOn/zipline,ChinaQuants/zipline,DVegaCapital/zipline,erikness/AlephOne,dhruvparamhans/zipline,humdings/zipline,gwulfs/zipline,michaeljohnbennett/zipline,wilsonkichoi/zipline,iamkingmaker/zipline,StratsOn/zipline,ronalcc/zipline,jimgoo/zipline-fork,ChinaQuants/zipline,humdings/zipline,CarterBain/AlephNull,dmitriz/zipline,wubr2000/zipline,semio/zipline,MonoCloud/zipline,joequant/zipline,kmather73/zipline