Adapt to API changes

src/lib.rs

@@ -206,8 +206,8 @@ pub struct WFPlayerInfo {
 
 #[derive(Debug, Deserialize)]
 pub struct PlayerRankings {
-	pub pvp: u64,
-	pub player: u64,
+	pub pvp: Option<u64>,
+	pub player: Option<u64>,
 	pub guild: u64
 }