Comments.
Rectangles must be checked against both their top left corner and their bottom right corner. Added some comments/TODOs.
Adding the program that helps visualize the wavelets being produced.
Created a new tool: haarwaveletviewer that allows some verification of the generated wavelets.
Haar wavelet viewer got its own project.
Fixing my mistake while setting .gitignore.
making small changes in the way wavelets are persisted thanks to the lack of capabilities of OpenCV XML persistence. Also added a couple some methods that allow some iteration over the inner state of the wavelets.