language: node_js
node_js:
  - "7"
  - "6"
  - "5"
  - "4"
after_success: yarn run coverage

language: node_js
node_js:
  - "8"
  - "7"
  - "6"
  - "5"
  - "4"
after_success: yarn run coverage

Add support for node 8
Add support for node 8
