Merge pull request #13 from Josef-Friedrich/fix-rgba

fix: set color using hexadecimal string with alpha channel

rename util to utils

Improve class.lua documentation

fix division by zero in hsl calculation

update docs

Add terminal output styling module

Merge branch 'master' of github.com:Firanel/lua-color

write x11 data directly to lua file

can parse css style functions

add color scheme functions