Closes #236. This PR introduces a bigger change too: making a leaderboard's Info field non-nullable. This is to make it possible to differentiate between an update request that doesn't want to update the info field and one that wants to set it to null.
Closes #236. This PR introduces a bigger change too: making a leaderboard's Info field non-nullable. This is to make it possible to differentiate between an update request that doesn't want to update the info field and one that wants to set it to null.