Switched API to singleton

Author: hidden1nin

src/main/java/com/hiddentech/playerstorage/PlayerStorageAPI.java

@@ -80,7 +80,7 @@ private PlayerStorageAPI(JavaPlugin plugin) {
         });
 
     }
-    public PlayerStorageAPI getInstance(JavaPlugin plugin){
+    public static PlayerStorageAPI getInstance(JavaPlugin plugin){
         if(instance==null){
             instance = new PlayerStorageAPI(plugin);
         }