Changelog for prizm-0.2.0.0

0.2.0.0 ======= - Adding in Weighted Blending, Darkening, Lightening, Shading, and Tinting functions. 0.1.0.4 ======= - Adding toHex and fromHex functions. 0.1.0.3 ======= - Re-defined the CIE types so they are their own separate types instead of branch types. - Implemented instances of Functor and Applicative for all color types. 0.1.0.2 ======= - CIE XYZ to CIE L*a*b* formula implemented. - CIE L*a*b* to CIE XYZ formula implemented. - Implemented better fractional values in the formulas gleaned from this website: [CIE Conversion Mathematics](http://rip94550.wordpress.com/2011/07/04/color-cielab-and-tristimulus-xyz/). - Comprehensive QuickCheck tests finished and pass with a lossless conversion at 11 decimal places. 0.1.0.1 ======= - SRGB to CIE XYZ formula implemented. - CIE XYZ to SRGB formula implemented. - Comprehensive QuickCheck tests finished and pass (conversion is lossless). 0.1.0.0 ======= - Package set up, types figured out. - Research on different color representations, illuminants, chromaticity, etc...