v3.1.1

What's Changed

• Allow downloading results in pairwise TXT by @tadast in #749
• Fix 404 page logo by @tadast in #752
• Add Cross-Site-Forgery-Request (CSRF) protection by @tadast in #753
• Use Rackup by @tadast in #756
• use entry_batch instead of batch #751 by @joko3ono in #754
• Better validations for downloads by @tadast in #757
• Release v3.1.1 by @tadast in #758

Full Changelog: v3.1.0...v3.1.1