Add options to Delay and DelayKwargs functions #2

# to view logs

	name: Go
	on: [push, pull_request]
	jobs:
	golangci:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v1
	with:
	# Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
	version: v1.26
	test:
	name: test
	runs-on: ubuntu-latest
	services:
	redis:
	image: redis
	ports:
	- 6379:6379
	options: --entrypoint redis-server
	rabbitmq:
	image: rabbitmq
	ports:
	- 5672:5672
	steps:
	- name: Set up Go 1.13
	uses: actions/setup-go@v1
	with:
	go-version: 1.13
	id: go
	- name: Check out code into the Go module directory
	uses: actions/checkout@v1
	- name: Install dependencies
	run: \|
	go mod download
	- name: Test
	run: go test -v -covermode atomic -coverprofile=profile.cov ./...
	- name: Coverage
	env:
	COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	GO111MODULE=off go get github.com/mattn/goveralls
	$(go env GOPATH)/bin/goveralls -coverprofile=profile.cov -service=github

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