Get Neighbours ranks
<void> leaderboard.getNeighboursRanks(<String> private_id, <Integer> n_below, <Integer> n_above, <Function> success, <Function> failure);
where:
private_idid of the user neighbours of whom we're fetching.n_belowis a number of entries below your rank, max 19.n_aboveis a number of entries above your rank, max 20.
“success” callback is passed an array of rank objects, which also includes own rank.
[{"public_id": <public id>,"rank": <rank>,"name": <name>,"score": <score>,"level": <level>,"public_data": <public data>},{"public_id": <public id>,"rank": <rank>,"name": <name>,"score": <score>,"level": <level>,"public_data": <public data>}...]
