Build #3:   fix security alerts on branch develop about 6 years ago

Build #3:   format on branch master over 8 years ago

Build #7:   style: fix tslint issues on branch develop almost 8 years ago

Build #12:   docs: update readme on branch develop almost 8 years ago

Build #59:   feat(chapter9): add chapter9 on branch develop almost 8 years ago

Build #9:   style: reformat with scalafmt on branch develop about 8 years ago

Build #4:   refactor: change package name on branch develop about 8 years ago

Build #36:   test: update unit tests on branch develop over 8 years ago