Fix some osu songs not being imported

public/src/js/importsongs.js

@@ -430,7 +430,7 @@
 		for(var i = path.length - 2; i >= 0; i--){
 			var hasTitle = false
 			for(var j in exclude){
-				if(path[i].indexOf(exclude[j].toLowerCase()) !== -1){
+				if(exclude[j] && path[i].indexOf(exclude[j].toLowerCase()) !== -1){
 					hasTitle = true
 					break
 				}

public/src/js/scorestorage.js

@@ -93,7 +93,7 @@ class ScoreStorage{
 		}
 		return output
 	}
-	save(localOnly){
+	save(){
 		for(var hash in this.scores){
 			this.writeString(hash)
 		}