Release v2.2.14

Added versions (v1.0, v2.0, v3.0) support for `psr/log`.

Release v2.2.0

Update `branch-alias` to `2.2-dev` in `composer.json`

Release v2.2.0-beta1

Merge branch 'master' into 2.2-merge

# Conflicts:
#	composer.json
#	phpunit.xml

Release v2.1.18

Fixed bug that coroutine won't destruct when using `onOpen` in corout…

Release v2.1.14

Added method `Sender::getResponse()` which you can used to get respon…

Release v2.1.13

Optimized code

Release v2.1.8

Send response directly when the handler does not exists. (#3308)

Release v2.1.0

Changed branch-alias of `dev-master` to `2.1-dev` (#3038)

* Update branch-alias

* Update composer.json

Release v2.1.0-beta1

Merge branch 'master' into 2.1-merge

Release v2.0.22

Fixed bug that worker will be stoped when `onMessage` or `onClose` fa…