Improve test suite and add
.gitattributesto exclude dev files from exports.
Run tests on PHPUnit 9 and PHP 7.4 and clean up test suite.
(#38 by @WyriHaximus, #39 by @reedy, #41 by @clue and #42 by @SimonFrings)
- Feature: Improve memory consumption by cleaning up garbage references to pending promise without canceller.
(#34 by @clue)
- First tagged release