Override the core ci loader class to support the following
features:

-- let the libray support the local sub-libraries extended 
from core tomatocart libraries.

-- Support the core tomatocart library extend from another 
library.

-- If the tomatocart library was extended from ci library, they will
also work as expected.
[#1] [V2.0 - Alpha5] Add actions for the orders module 
in admin panel

-- Complete the edit order feature execept the edit product 
column functionality and change shipping method.