- Add LAB color transfer as new default method for superior perceptual color matching
- Add HSV hue-conditional saturation histogram matching for targeted oversaturation correction
- Add wavelet_adaptive hybrid method combining wavelet base with selective HSV correction
- Change default color correction from 'wavelet' to 'lab' for better color accuracy
- Implement full CIELAB color space conversion with D65 illuminant and histogram matching
- Add comprehensive documentation and method descriptions to color_fix.py