2018.04.21 / v0.16.0

• [New] Better Multi-Language Support!
  • contributed by @Orhideous
• [New] Raneto can be served from non-root path (URI Prefix)
  • contributed by @gugu
• [Misc] Upgrade to lunr v2.x
  • contributed by @Orhideous
• [Misc] Code Refactor
  • contributed by @Orhideous
• [Misc] Dependency upgrades