2017.03.15 / v0.13.0

• [New] Nested Pages
  • contributed by @zmateusz
• [New] Manual Category Title
  • contributed by @theRealWardo
• [New] Last Edited Metadata Header
  • contributed by @Sparticuz
• [New] Require Authentication for Viewing
  • contributed by @bschne and @mohammadrafigh
• [Improvement] Meta Data RegEx Refinement
  • contributed by @cmeyer90
• [Improvement] Unix Sitemap Generation
  • contributed by @forsureitsme
• [Improvement] Display All Files Fix
  • contributed by @forsureitsme
• [Misc] Code Refinements
  • @shyim
  • @Sparticuz
  • @theRealWardo
• [Misc] Dependency upgrades