update changelog for 1.0.18
update changelog for 1.0.18

JuanitoFatas/bundler,nju520/bundler,byroot/bundler,ligi/bundler,eagletmt/bundler,zhangkuaiji/bundler,lmtim/bundler,ngpestelos/bundler,Eric-Guo/bundler,mattbrictson/bundler-1,danimashu/bundler,asymmetric/bundler,haocafes/bundler,Wirachmat/bundler,bundler/bundler,dilumnavanjana/bundler,kohgpat/bundler,PG-kura/bundler,smlance/bundler,gentoo/bundler,nju520/bundler,EasonYi/bundler,h4ck3rm1k3/bundler,ipmobiletech/bundler,Wirachmat/bundler,pjump/bundler,smlance/bundler,TimMoore/bundler,CorainChicago/bundler,chulkilee/bundler,chef/bundler,e2/bundler,ximus/bundler,asymmetric/bundler,joshsoftware/bundler,masarakki/bundler,1337807/bundler,lmtim/bundler,EthanK28/bundler,zhangkuaiji/bundler,davydovanton/bundler,agis-/bundler,rkh/bundler,ngpestelos/bundler,PG-kura/bundler,masarakki/bundler,Eric-Guo/bundler,tgxworld/bundler,philnash/bundler,haonature888/bundler,danimashu/bundler,sideci-sample/sideci-sample-bundler,haonature/bundler,schaary/bundler,suhastech/bundler,simplybusiness/bundler,patvice/bundler,robinboening/bundler,roseweixel/bundler,ximus/bundler,mattbrictson/bundler-1,sideci-sample/sideci-sample-bundler,ligi/bundler,asutoshpalai/bundler,jingweno/bundler,mdorrance/bundler,vemmaverve/bundler,cowboyd/bundler,steved/bundler,jaym/bundler,h4ck3rm1k3/bundler,EthanK28/bundler,CorainChicago/bundler,ipmobiletech/bundler,AiyionPrime/bundler,RochesterinNYC/bundler,wenderjean/bundler,mpapis/bundler,simplybusiness/bundler,dilumnavanjana/bundler,asutoshpalai/bundler,Elffers/bundler,Elffers/bundler,joshsoftware/bundler,christer155/bundler,mdorrance/bundler,TimMoore/bundler,mvz/bundler,cstrahan/bundler,tgxworld/bundler,elovelan/bundler,AiyionPrime/bundler,patvice/bundler,pjump/bundler,suhastech/bundler,byroot/bundler,mpapis/bundler,elovelan/bundler,twcctz500000/bundler,chulkilee/bundler,anil826/bundler,jasonkarns/bundler,pivotal-cf-experimental/bundler,carpodaster/bundler,seanlinsley/bundler,robinboening/bundler,steved/bundler,r7kamura/bundler,schaary/bundler,neslom/bundler,jasonkarns/bundler,bronzdoc/bundler,jaym/bundler,davydovanton/bundler,kohgpat/bundler,RochesterinNYC/bundler,cdwort/bundler,jingweno/bundler,frsyuki/bundler,chef/bundler,pivotal-cf-experimental/bundler,carpodaster/bundler,Teino1978-Corp/Teino1978-Corp-bundler,frsyuki/bundler,cdwort/bundler,agis-/bundler,Teino1978-Corp/Teino1978-Corp-bundler,roseweixel/bundler,wenderjean/bundler,mvz/bundler,bronzdoc/bundler,EasonYi/bundler,cstrahan/bundler,anil826/bundler,gregkare/bundler,gregkare/bundler,philnash/bundler,seanlinsley/bundler,haonaturel/bundler,bundler/bundler,neslom/bundler,christer155/bundler