added the on static method to allow for a fluent interface
added the BFI_Thumb class from https://github.com/bfintal/bfi_thumb/blob/master/BFI_Thumb.php putting it under the bfi namespace
restored bfi_thumb and classes to its original state
renamed the BFI_Thumb file to Thumb to trigger autoloading
added the tadlibs_include function to include files that are not PSR autoloading compatible