language: node_js
node_js:
  - '6'
  - '5'
  - '4'
  - '0.12'
  - '0.10'

language: node_js
node_js:
  - '6'
  - '5'
  - '0.12'
  - '0.10'

Remove v4 from tested versions
Travis: Remove v4 from tested versions