Cant Get Payment Module To Work On Store Front!

Hello

I am a newbee with OpenCart I am working on OC 2.0 and i developed a payment module for Interswtich Paywith Quickteller for the site.

The module installed well at the backend and i was able to set parameter, and enable the module but on getting to the store front i am getting

Fatal error: Class 'Modelpaymentquickteller' not found in C:\xampp\htdocs\superiormobile\system\modification\system\engine\loader.php on line 22

I have tried all my possible but could not resolve the problem so u decided to come here for help.

kindly help me take a look at my code to see what i have done wrong in the attached .rar file

You can visit the site https://www.superiormobile.com.ng to view the error

and contact me on: wale.adesanya@live.com

thanks alot