- Bump version to 25.0.2
- Update copyright year to 2026 in LICENSE and NOTICE
- Add license headers to all Python source files
- Add changelog entry for 25.0.2
since 3.3: EnvironmentError, IOError, socket.error and select.error are merged into IOError.
They may now return a more specific subclass - which this commit does not utilize yet.
This will restore graceful shutdown of workers by master.
Also worker_int callback is moved from handle_exit (INT and TERM before switching) to handle_quit(INT and QUIT).