Batch update to v2.9.0, see full comments for changelog...   - New CSS4 color() and gray() functions   - Update render-color() to add new color models   - Add color converters for all CSS legal color models/values   - Remove universal convert-color() in favor of primitive functions
Batch update to v2.9.0, see full comments for changelog...
  - New CSS4 color() and gray() functions
  - Update render-color() to add new color models
  - Add color converters for all CSS legal color models/values
  - Remove universal convert-color() in favor of primitive functions

timfayz/elementcss