New features:
- Add a new cookie_expires_days option (Julien Rouhaud, per request from github user Kamal-Villupuram)
- Use pgsql language set for highlighting (Christoph Dreis)
Bug fixes:
- Allow missing pg_stat_kcache records (Julien Rouhaud, per report from Christoph Dreis)
- Fix query unjumbling code (Julien Rouhaud, per report from Martin Aparicio and Frédéric Yhuel)
- Correctly handle multiple queries with the same qual in the wizard (Julien Rouhaud)
Misc:
- Update build and build dependencies and highlight.js (Christoph Dreis)