GitLab

* use env to control compile op or not

* use str as env var

* update readme

* update rc01

* update readme
Co-authored-by: Kai Chen <chenkaidev@gmail.com>

* update the deploy workflow

* fix a typo

* update MANIFEST.in to include pyx

* remove debug info

* add a workflow to publish to pypi and remove travis.yml

* move the if-statement to the job level

* add a badge

* switch to ubuntu-latest

* bump version to 0.5.2

* add apt-get update before installing