Fixed class loader issues
Somehow the product_type configuration for tl_iso_groups got lost...
Fixed references to IsotopeAddressModel
Fixed multiple namespace issues
Can't use {static::$ctable} in a string
Renamed callback method
Improved several DCAs
Import Isotope into current namespace
Fixed Environment references
Allow rates to be enabled/disable in order total shipping
Remove useless constructor, it destroys the model
Must have Isotope imported in the backend too (e.g. OrderDetails module)
Import Config model into the namespace
CS
Fixed and improved factory usage