Adds cache for autogen sprites to reduce lag when loading sprites

Data/Scripts/050_AddOns/HttpCalls.rb

@@ -75,6 +75,7 @@ def download_sprite(base_path, head_id, body_id, saveLocation = "Graphics/temp",
       echoln _INTL("\nDownloaded file from {1} to {2}", base_path, saveLocation)
       return downloaded_file_name
     end
+    echoln "tried to download " + base_path
     return nil
   rescue MKXPError, Errno::ENOENT
     return nil