Handle Cyrillic name in playlists.

[sibuser]

When a client asks for content from a playlist we get really strange request which I can not decode.

Title orig: моя музыка
Title encoded: моя музыка
Title: vkontakte:%D0%BC%D0%BE%D1%8F%20%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D0%B0
Title unquoted: vkontakte:мо� м�з�ка
INFO Fetching a playlist "моя музыка" from VKontakte