def library(page = 0)
      songs = []
      resp = @client.request('userGetSongsInLibrary',
                             userID: @id,
                             page: page.to_s)
      songs = resp['songs'].map do |song|
        Song.new song
      end if resp.key?('songs')
      songs
    end
def library(page = 0)
      songs = []
      resp = @client.request('userGetSongsInLibrary',
                             userID: @id,
                             page: page.to_s)
      songs = resp['songs'].map do |song|
        Song.new song
      end if resp.key?('songs')
      songs
    end
--------------------------------------------------------------------------
 User Library
 --------------------------------------------------------------------------
 Fetch songs from library