gauge.go: add Set() method, which can be used for changing the gauge … #233

	name: main
	on:
	- push
	- pull_request
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Setup Go
	uses: actions/setup-go@v1
	with:
	go-version: 1.20
	id: go
	- name: Code checkout
	uses: actions/checkout@v1
	- name: Test
	run: \|
	go test -v ./... -coverprofile=coverage.txt -covermode=atomic
	go test -v ./... -race
	- name: Build
	run: \|
	GOOS=linux go build
	GOOS=darwin go build
	GOOS=freebsd go build
	GOOS=windows go build
	GOARCH=386 go build
	- name: Publish coverage
	uses: codecov/codecov-action@v1.0.6
	with:
	token: ${{secrets.CODECOV_TOKEN}}
	file: ./coverage.txt

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