fix bug where messages were being re-used across channels for a single topic
fix bug where messages were being re-used across channels for a single topic

menghan/nsq,datastream/nsq,sparklxb/nsq,beni55/nsq,qinlodestar/nsq,bitly/nsq,handsomesun/nsq,szqh97/nsq,jmptrader/nsq,w4ngyi/nsq,jlr52/nsq,rpau/nsq,propellerads/nsq,kevinc0825/nsq,beni55/nsq,propellerads/nsq,szqh97/nsq,chrislusf/nsq,xuzhaokui/nsq,bitly/nsq,w3hacker/nsq,w4ngyi/nsq,CrazyJvm/nsq,mynameisfiber/nsq,lcp0578/nsq,xiexingguang/nsq,rpau/nsq,kesutton/nsq,mreiferson/nsq,wuxu92/nsq,19hz/nsq,szqh97/nsq,moander/nsq,chaosue/nsq,Dieterbe/nsq,bitly/nsq,chrislusf/nsq,Dieterbe/nsq,datastream/nsq,nsqio/nsq,msn217/nsq,CrazyJvm/nsq,gaowenbin/nsq,dustismo/nsq,MadBomber/nsq,myhongkongzhen/nsq,w3hacker/nsq,qinlodestar/nsq,MadBomber/nsq,JustinAzoff/nsq,szqh97/nsq,philipbo/nsq,beni55/nsq,nsqio/nsq,JustinAzoff/nsq,wmydz1/nsq,kevinc0825/nsq,ShinichR/nsq,davegardnerisme/nsq,ploxiln/nsq,rpau/nsq,tophymastery/nsq,youxidev/nsq,lcp0578/nsq,yh453926638/nsq,elubow/nsq,xiexingguang/nsq,nieanan/nsq,wuxu92/nsq,davegardnerisme/nsq,jlr52/nsq,bo406/nsq,coderhaoxin/nsq,kesutton/nsq,myhongkongzhen/nsq,absolute8511/nsq,seanluo/nsq_with_note,MadBomber/nsq,jlr52/nsq,kesutton/nsq,myhongkongzhen/nsq,nieanan/nsq,tophymastery/nsq,jmptrader/nsq,ShinichR/nsq,msn217/nsq,propellerads/nsq,MadBomber/nsq,magastzheng/nsq,yh453926638/nsq,lcp0578/nsq,mashuai/nsq,wmydz1/nsq,jsocol/nsq,gaowenbin/nsq,svmehta/nsq,menghan/nsq,nsqio/nsq,mashuai/nsq,CrazyJvm/nsq,philipbo/nsq,msn217/nsq,bitly/nsq,lcp0578/nsq,jehiah/nsq,sparklxb/nsq,chrislusf/nsq,yh453926638/nsq,nimmen/nsq,rpau/nsq,handsomesun/nsq,youxidev/nsq,judwhite/nsq-0.3.2-win,yh453926638/nsq,coderhaoxin/nsq,lcp0578/nsq,mashuai/nsq,mikeqian/nsq,philipbo/nsq,lytics/nsq,gaowenbin/nsq,OlafRadicke/nsq,dmarkham/nsq,mikeqian/nsq,xuzhaokui/nsq,absolute8511/nsq,mroth/nsq,jlr52/nsq,seanluo/nsq_with_note,mreiferson/nsq,absolute8511/nsq,mikeqian/nsq,jehiah/nsq,ploxiln/nsq,mashuai/nsq,ploxiln/nsq,19hz/nsq,ploxiln/nsq,dustismo/nsq,mreiferson/nsq,danielhfrank/nsq,19hz/nsq,mikedewar/nsq,beni55/nsq,w4ngyi/nsq,ShinichR/nsq,mroth/nsq,bo406/nsq,svmehta/nsq,msn217/nsq,dinedal/nsq,chaosue/nsq,elubow/nsq,chrisroberts/nsq,xiexingguang/nsq,bitly/nsq,dinedal/nsq,gaowenbin/nsq,moander/nsq,dmarkham/nsq,coderhaoxin/nsq,w4ngyi/nsq,szqh97/nsq,danielhfrank/nsq,ploxiln/nsq,rpau/nsq,w4ngyi/nsq,davegardnerisme/nsq,philipbo/nsq,Dieterbe/nsq,gaowenbin/nsq,xuzhaokui/nsq,bo406/nsq,sunminghong/nsq,OlafRadicke/nsq,ShinichR/nsq,lytics/nsq,wmydz1/nsq,jsocol/nsq,chaosue/nsq,mikedewar/nsq,wuxu92/nsq,msn217/nsq,Dieterbe/nsq,kevinc0825/nsq,handsomesun/nsq,MadBomber/nsq,nimmen/nsq,shanemhansen/nsq,ShinichR/nsq,handsomesun/nsq,pombredanne/nsq,sparklxb/nsq,myhongkongzhen/nsq,absolute8511/nsq,handsomesun/nsq,coderhaoxin/nsq,judwhite/nsq-0.3.2-win,CrazyJvm/nsq,magastzheng/nsq,moander/nsq,coderhaoxin/nsq,absolute8511/nsq,mikeqian/nsq,CrazyJvm/nsq,sparklxb/nsq,judwhite/nsq-0.3.2-win,philipbo/nsq,fbjork/nsq,nsqio/nsq,qinlodestar/nsq,myhongkongzhen/nsq,bo406/nsq,qinlodestar/nsq,shanemhansen/nsq,Dieterbe/nsq,qinlodestar/nsq,jehiah/nsq,JustinAzoff/nsq,jlr52/nsq,youxidev/nsq,mashuai/nsq,jehiah/nsq,jehiah/nsq,beni55/nsq,fbjork/nsq,magastzheng/nsq,kesutton/nsq,mreiferson/nsq,OlafRadicke/nsq,kesutton/nsq,nsqio/nsq,yh453926638/nsq,mynameisfiber/nsq,chaosue/nsq,chaosue/nsq,jmptrader/nsq,xiexingguang/nsq,chrisroberts/nsq,mikeqian/nsq,bo406/nsq,sparklxb/nsq,sunminghong/nsq,mikedewar/nsq,mreiferson/nsq,danielhfrank/nsq,xiexingguang/nsq,wmydz1/nsq,pombredanne/nsq,wmydz1/nsq,nieanan/nsq