Changelog:
============
- Improve performance of 'GrammarCompleter' (faster deduplication of completions).
- Accept 'os.PathLike' in 'FileHistory' (typing fix).
- Fix memory leak in filters.
- Improve performance of progress bar formatters.
- Fix compatibility when a SIGINT handler is installed by non-Python (Rust, C).
- Limit number of completions in buffer to 10k by default (for performance).
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
