v4.0.0
- Using c stackful coroutine
- Allow to create server in multiple processes
- Fixed issue where http2 server could not send more than 16K data to Chrome browser client
- Added Channel->peek method for peeping data
- Fixed issue where Server->pause/resume could not be used under SWOOLE_PROCESS
- Removed Linux AIO and use thread pool for asynchronous file IO anyway
- Added MySQL stored procedure supports