• improved support for Subsonic API:
  • support most parts of the API v1.8 (added methods getUser, getArtists, getArtist, getSong, search3, getAvatar, getLyrics, updatePlaylist, deletePlaylist, along with a few other implemented as stubs)
  • prevent navigating to folders outside the user music path (#725)
  • fix notice "Only variables should be passed by reference" being logged
  • fix malformed contents breaking the XML responses
• fix warning about placeholder.js being logged on NC17+ (#721)
• fix warning about array_walk callback syntax being logged on NC17+ (#726)
• internal refactoring