Bump version to 0.4.0 #12

	name: CI

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	check:
	name: Check
	runs-on: ubuntu-latest
	strategy:
	matrix:
	toolchain: [stable, beta, nightly]
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install ${{ matrix.toolchain }} toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.toolchain }}
	override: true

	- name: Run cargo check
	uses: actions-rs/cargo@v1
	with:
	command: check
	args: --all-features --all

	test:
	name: Test Suite
	runs-on: ubuntu-latest
	strategy:
	matrix:
	toolchain: [stable, beta, nightly]
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install ${{ matrix.toolchain }} toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.toolchain }}
	override: true

	- name: Run cargo test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --all-features --all

	lints:
	name: Lints
	runs-on: ubuntu-latest
	strategy:
	matrix:
	toolchain: [stable, beta, nightly]
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install ${{ matrix.toolchain }} toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.toolchain }}
	override: true
	components: rustfmt, clippy

	- name: Run cargo fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	- name: Run cargo clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --all-features --all -- -D warnings

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