• Overhauled file index:
  • Renamed FileIndex to Index
  • The index JSON format now uses versioning and "flat" entries
  • Index now preloads all files when loaded
  • Removed SyncIndexFS and AsyncIndexFS
  • Added IndexFS.reloadFiles (and *Sync)
• Renamed FetchFS.preloadFile to FetchFS.preload
• Removed FetchFS.empty
• Renamed FetchFS.prefixUrl to FetchFS.baseUrl for consistancy with FetchOptions
• Added optional generic type to StatsLike