enable randomness in choosing which ways to test changing a playlist
enable randomness in choosing which ways to test changing a playlist

TheOpenDevProject/gmusicapi,nvbn/Unofficial-Google-Music-API,jimyx17/gmusic,dvirtz/gmusicapi,simon-weber/gmusicapi,tanhaiwang/gmusicapi,dvirtz/gmusicapi,peetahzee/Unofficial-Google-Music-API,thebigmunch/gmusicapi,simon-weber/Unofficial-Google-Music-API