v4.0.0

⚠️ Breaking change

• Dropped support for Node.js 6.x and 8.x.

Changed

• Updated postcss-value-parser dependency to 4.0.0.

v3.0.0

⚠️ Breaking change

• Updated postcss dependency to 7.0.0 - this means Node.js 4.x is no longer supported

Changed

• Updated color dependency to 3.0.0
• Updated eslint and mocha dev dependencies