Fix lookup of first and last events (regression in last refactor)

don't call removeWatchForEvents again when the matcher returns EVENT_…

…TIMEOUT, it will be cleaned up further down in handle() in timeout handling

When a process is exiting, proc_get_status (waitpid) may still show t…

…he process running for a short period after stdout is closed. A 0.1 second timer is enough to skip the race condition

Update README.md

cleanup

Error recovery is only successful if we don't add back to the errored…

… queue

Detach source process from the parent process group

Need a bigger buffer than 64K for saving save state. Increase to 10MB.

@todo Handler Overflow and failback to sync save

Emit the save:failed event if the save process exited while we were s…

…aving data

When doing a synchronous save, ensure we write the temporary file to …

…the same filesystem as the state file (not /tmp) to ensure rename works.

Silence some psalm warnings due to ReactPHp doc blocks
Log the size of the save state when saving takes too long