test_advanced_image_processing: Added for testing the module advanced_image_processing. This will address issues #98, #99, #100, #101, #102, #103, #104, #105, #106, #107, #108, #109, #110, #111, #112, #113, #114, #115, and #116.
__init__: Added test_advanced_image_processing to __all__ and imported it as well.