changelog: mention fix for #20
changelog: mention fix for #20

jmptrader/serf,mapuri/serf,jmptrader/serf,patrickviet/serf,hashicorp/serf,samaitra/serf,samaitra/serf,curtiszimmerman/serf,jmptrader/serf,hashicorp/serf,mbrukman/serf,FollowMyDev/serf,dalehamel/serf,patrickviet/serf,curtiszimmerman/serf,pmenglund/serf,gnawhleinad/serf,samaitra/serf,gnawhleinad/serf,yonglehou/serf,patrickviet/serf,jmptrader/serf,mapuri/serf,samaitra/serf,mapuri/serf,hashicorp/serf,dalehamel/serf,FollowMyDev/serf,mbrukman/serf,gnawhleinad/serf,mapuri/serf,minhkiller/serf,dalehamel/serf,samaitra/serf,minhkiller/serf,hashicorp/serf,dalehamel/serf,curtiszimmerman/serf,minhkiller/serf,pmenglund/serf,FollowMyDev/serf,curtiszimmerman/serf,yonglehou/serf,pmenglund/serf,pmenglund/serf,patrickviet/serf,patrickviet/serf,mapuri/serf,minhkiller/serf,minhkiller/serf,yonglehou/serf,mbrukman/serf,patrickviet/serf,gnawhleinad/serf,yonglehou/serf,FollowMyDev/serf,mbrukman/serf,dalehamel/serf,yonglehou/serf,hashicorp/serf,dalehamel/serf,FollowMyDev/serf,jmptrader/serf,mbrukman/serf,mbrukman/serf,yonglehou/serf,gnawhleinad/serf,pmenglund/serf,curtiszimmerman/serf,FollowMyDev/serf,jmptrader/serf,mapuri/serf,pmenglund/serf,minhkiller/serf,curtiszimmerman/serf,gnawhleinad/serf,samaitra/serf