Benchmark wordlist's `UniqueFilter` against other wordlist deduplicating commands

Benchmark `Wordlist::UniqueFilter` against other wordlist de-duplicating commands with the goal of improving the performance of `UniqueFilter`:

* `sort -u`
* [parsort](https://www.gnu.org/software/parallel/parsort.html)
* [rli](https://hashcat.net/wiki/doku.php?id=hashcat_utils#rli)
* [rling](https://github.com/Cynosureprime/rling)
* [rlite](https://github.com/Cynosureprime/rlite)