Improved url conversion. You should see the 404 Error page on gg.deals less often

Game titles are now retrieved by fetching the English URL of the Steam page in the background. This ensures that the English name of the game is always used instead of the local language version. As a result, game matching and discovery on gg.deals has improved significantly.

Add a special-case to convert "director's" (case-insensitive) to "directors" before normalization. This removes the apostrophe for that common phrase so generated slugs are consistent and URL-safe.