Update CONTRIBUTING.md
improve comments
fix typo
fix comments
Update README.md
implement daemon
add unit test for daemon
bump
refine documentation
update readme
update readme
add setsid
reorder setsid and kill
add jenkins
fix ci
use SIGINT instead in tests

Conflicts:
	tests/test.py
add SIGINT in workers
use local tmp dir
fix daemon and add fastopen tests
add large file test