Bumping up to Version 1.1.0

• Added Xcode Documentation
• Added Gradient Colors
• Converted from RGB to HSB and LAB
• RandomColor won’t repeat the same color subsequently
• Renamed Certain Macros
• Optimized a lot of the code
• Improved performance and algorithms
• Color Difference uses CIE:2000 formula
• ContrastingColor now supports all alphas and has additional support
for non-flat and flat colors
Updated Sample App