conn: made subscriptionChan unbuffered
conn: made subscriptionChan unbuffered

mediocregopher/radix.v2,bpowers/radix,rightscale/radix,bpowers/radix,trigrass2/radix,ctrlaltdel121/radix,alphagov/radix,mediocregopher/radix.v3,fzzy/radix,beni55/radix,gabrielperezs/radix.improved