v7.0.0

If you are upgrading: please see UPGRADING.md.

Changed

• Breaking: drop node 6 and 8 (Level/community#98) (5c6752f) (Vincent Weevers)
• Breaking: modernize syntax and bump standard (Level/community#98) (404f20f) (Vincent Weevers)
• Bump abstract-leveldown, level-codec and level-errors (83556fd) (Vincent Weevers)
• Add files to package.json (103fe95) (Vincent Weevers)

Added

• Support encoding options on chained batch put() and del() (9690e52) (Level/levelup#633) (Vincent Weevers)

Removed

• Remove default export (Level/community#87) (1111866) (Vincent Weevers)