v2.0.0

• Added 3 new datasets. Now the GRAD-GPAD framework contains 13 datasets.
• Dataset labels and categorizations are now available on a simple JSON file.
• Added Demographic categorizations (Sex, Age, Skin Tone)
• Reproducible Research script.
• Added tools to calculate novel generalization and demographic metrics.
• Added tools to plot novel visualization ("PAD-radar" and "Bias-Percentile")