Numerous tweaks + failsafes added to Loading/Saving of players

src/main/java/com/gmail/nossr50/runnables/player/PlayerProfileSaveTask.java

@@ -12,6 +12,11 @@ public class PlayerProfileSaveTask extends BukkitRunnable {
 
     @Override
     public void run() {
-        playerProfile.save();
+        boolean saveSuccess = playerProfile.save();
+
+        if(!saveSuccess)
+        {
+            playerProfile.scheduleAsyncSaveDelay();
+        }
     }
 }