Makes security an optinal default feature #43

	name: tests
	on: [push, pull_request]

	jobs:
	clippy:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	- name: Install Rust (stable)
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: clippy
	override: true
	- name: Clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --all-features
	- name: Clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --no-default-features
	format:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	- name: Install Rust (stable)
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: rustfmt
	override: true
	- name: Check Format
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check
	build-armv6m:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	- name: Install Rust (stable)
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	target: thumbv6m-none-eabi
	- name: Build
	run: \|
	set -ex
	cargo build
	- name: Build no security
	run: \|
	set -ex
	cargo build --no-default-features
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	- name: Install Rust (stable)
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: Test
	run: \|
	set -ex
	cargo test
	- name: Test no security
	run: \|
	set -ex
	cargo test --no-default-features

Provide feedback