[chore] Release 1.8.4

[chore] Release 3.1.0

[chore] Release 3.0.0

[chore] Release 2.1.1

[chore] Release 2.1.0 (socketio#492)

[chore] Release 2.0.2 (socketio#481)

[chore] Release 1.8.3

[chore] Release 2.0.1 (socketio#477)

[chore] Release 2.0.0 (socketio#472)

[chore] Release 1.8.2 (socketio#460)