Merge pull request #7 from somebadcode/add-hsl-color-model

Add hsl color model

Fix module

Fix import of internal package

Merge branch 'v2'

Fix module compatibility

Fix module compatibility

Fix backwards compatibility

Merge pull request #5 from somebadcode/workflow-tweaks

Update Github workflow

Merge pull request #5 from somebadcode/workflow-tweaks

Update Github workflow

Merge pull request #2 from somebadcode/css

Add color model for CSS for easier conversion