v4.0.0

4.0.0 (2019-04-28)

Build System

• Babel: set node 8 as min build version (b189c63)

Code Refactoring

• migrate code to [email protected] (e019590)

Features

• update to [email protected] (ccdf5cc)

BREAKING CHANGES

• required [email protected]
• Babel: Drop node 6 support.