Mention that encoding defaults to utf8, not Buffer
Mention that encoding defaults to utf8, not Buffer

I just got bitten by this in my own code.
jsifuentes/request,whembed197923/request,manishnakar/request,NewGyu/request,chaoliu/request,beni55/request,chaoliu/request,jsifuentes/request,request/request,jzaefferer/request,request/request,nishant8BITS/request,seegno-forks/request,wangchi/request,ryanwholey/request,niklabh/request,NewGyu/request,IbpTeam/node-request,Prasanna-sr/request,nishant8BITS/request,zhouweiming/request,cvibhagool/request,Aloomaio/request,zhouweiming/request,HAKASHUN/request,phillipj/request,lalitkapoor/request,calibr/request,pablobrady/request,pablobrady/request,longwenjunjie/request,lxe/request,niklabh/request,MofeLee/request,xtidt/request,xtidt/request,robu3/request,watson/request,rbramwell/request,udp/request,xiwc/request,not001praween001/request,Prasanna-sr/request,Jonekee/request,djchie/request,neo-z/request,h1bomb/request,LoicMahieu/request,lxe/request,wangchi/request,Aloomaio/request,longwenjunjie/request,mvnnn/request,zodsoft/request,czardoz/request,neo-z/request,beni55/request,kublaj/request,ryanwholey/request,LoicMahieu/request,pho3nixf1re/request,phillipj/request,robu3/request,lalitkapoor/request,czardoz/request,simov/request,MofeLee/request,paulomcnally/request,paulomcnally/request,mvnnn/request,kevinburke/request,kmulvey/request,wakermahmud/request,h1bomb/request,IveWong/request,motopia/request,faradayio/request,linalu1/request,HAKASHUN/request,cvibhagool/request,seegno-forks/request,djchie/request,rbramwell/request,motopia/request,Jonekee/request,not001praween001/request,kublaj/request,kmulvey/request,IbpTeam/node-request,Codelegant92/request,blabno/request,wakermahmud/request,simov/request,pho3nixf1re/request,sean3z/request,xiwc/request,whembed197923/request,jzaefferer/request,kevinburke/request,linalu1/request,faradayio/request,watson/request,calibr/request,udp/request,IveWong/request,blabno/request,manishnakar/request,zodsoft/request,Codelegant92/request,sean3z/request