Fix changing rgb and hsv when changing hex

[raqso]

Fix for #46
Set rgb and hsv when hex change

[codecov-commenter]

Codecov Report

Merging #45 into master will decrease coverage by 0.95%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #45      +/-   ##
==========================================
- Coverage   30.64%   29.68%   -0.96%     
==========================================
  Files           3        3              
  Lines          62       64       +2     
  Branches        4        4              
==========================================
  Hits           19       19              
- Misses         40       42       +2     
  Partials        3        3              

Impacted Files	Coverage Δ
src/color-picker.js	9.09% <0.00%> (-0.44%)	⬇️

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[wangzuo]

Thanks!