Release version 1.3.0

Added
- The `--check` command line argument to check a single file.
- Comparison based filters (`count`, `-time`, `-duration`).
- Sorting based on fight duration.

Changed
- The exit code will now be dependent on whether logs matching the filter were
  found or not.

Fixed
- Fight outcomes for some logs (2nd/3rd/... kill in a week) have been fixed.