v0.0.3 More Things

This new release of dart_vlc adds:

• More advanced playlist modification methods like:
  • add for appending a new Media to the Playlist of the Player.
  • remove for removing a Media from the Playlist of the Player from certain index.
  • insert method for inserting Media to certain index.
  • move a Media from one index to another.
• Ability to get all playback Devices on machine & change.
  • Devices.all gives List of all Devices.
  • Player.setDevice can be used to set a playback device for the Player instance.
• Ability to retrieve metadata of a Media (either from Media.network or Media.file).
  • Now you can access metadata of a Media by passing parse: true for parsing the metadata.
  • Retrieved metadata is stored inside Media.metas as Map<String, String>.
• Now event streams are splitted into four:
  • Player.currentStream
    • Contains:
      • index
      • media
      • medias
      • isPlaylist
  • Player.positionStream
    • Contains:
      • position
      • duration
  • Player.playbackStream
    • Contains:
      • isPlaying
      • isSeekable
      • isCompleted
  • Player.generalStream
    • Contains:
      • volume
      • rate
• Thanks to @DomingoMG for thorough testing.