Update filter.go
Update filter.go

whoops
wxdublin/streamtools,jacqui/streamtools,deepglint/streamtools,wxdublin/streamtools,deepglint/streamtools,deepglint/streamtools,jacqui/streamtools,wxdublin/streamtools,pfig/streamtools,nytlabs/streamtools,nytlabs/streamtools,pfig/streamtools,pfig/streamtools,jacqui/streamtools,jacqui/streamtools,pfig/streamtools,nytlabs/streamtools,wxdublin/streamtools,deepglint/streamtools,nytlabs/streamtools