v1.9.0

Added

• Add hidden class by @xiCO2k in #134
• Add justify-center class by @xiCO2k in #135

Fixed

• Fixed justify-* round calculations by @xiCO2k in #136
• Fixed <br> with classes in eb2132f
• Fixed inheritance issues on justify-* classes d050cba

Full Changelog: v1.8.0...v1.9.0