Add github action ci, bump to version 0.3 #2

	name: Python CI

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [2.7, 3.8, 3.9, 3.10, 3.11, 3.12, 'pypy-3.8']
	include:
	- python-version: 'pypy-2.7'
	python-key: 'pypy2'
	- python-version: 'pypy-3.8'
	python-key: 'pypy3'

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'

	- name: Install dependencies
	run: \|
	pip install -r requirements-dev.txt
	python setup.py install

	- name: Lint
	run: flake8 *.py

	- name: Test
	run: pytest -v

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