make sure we compare ids converted to string and use underscore to iterate over the playlists id
make sure we compare ids converted to string
and use underscore to iterate over the playlists id

Fixes #80

Signed-off-by: Tomas Neme <6bc1d25c0f0098e02c3c0ae175e2ae803c7b6bbc@gmail.com>

inaes-tic/mbc-mosto