Update changelog and configuration for v4.0.0 release #508

	name: Run Tests

	on: [ push, pull_request ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build_and_test:
	name: Build and Test
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	fetch-depth: 1

	- name: Build and test
	run: \|
	cargo build --verbose
	cargo test --verbose
	cargo clippy --verbose

	- name: Check Cargo.lock
	run: \|
	git diff --exit-code -- Cargo.lock
	if [ $? -ne 0 ]; then
	echo "Cargo.lock was modified. Please commit the changes."
	exit 1
	fi

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