0.4.7 2017-12-08
    * adding interesting pantone colors of the years ultraviolet, greenery, masala, chillipepper, tangerine tango
    * adding lighten and darken functions
    * minor bug fixes
0.4.6 2017-08-15
    * adding prince 'love-symbol-2', lovesymbol2
    * adding chucknorris for completeness
0.4.5 2017-08-01
    * more things have grey/gray variants
0.4.4 2017-01-20
    * variations on naming open-colors, oc-green7, ocgreen7, oc-green7
0.4.3 2017-01-17
    * adding Open Color pallete (https://yeun.github.io/open-color/) as oc-$color-$value i.e. oc-green-7
0.4.2 2015-10-29
    * adding inverse_rgb and luminance
0.4.1 2015-08-07
    * amber had been added as yellow
0.4.0 2015-08-07
    * add rebeccapurple
    * add google material colors from http://www.google.com/design/spec/style/color.html
0.3.0 2014-06-27
    * add to_rgb function
0.2.0 2014-06-26
    * add MetaResources into dist.ini
    * remove use perl 5.14, as pagenyon says, its not needed
0.1.0 2014-06-25
    * First release