Added cases taken from the paper "The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test Data, and Mathematical Observations" by Gaurav Sharma, Wencheng Wu and Edul N. Dalal.
Wow this is really cool! I can tell you've put a lot of work into this and have as much passion as I did in making this library. Sorry for my delay in reviewing. Excellent stuff 😃
Added cases taken from the paper "The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test Data, and Mathematical Observations" by Gaurav Sharma, Wencheng Wu and Edul N. Dalal.