language: node_js
node_js:
  - '0.12'
  - '0.11'
  - '0.10'
after_script:
  - npm i coveralls
  - ./node_modules/coveralls/bin/coveralls.js < lcov

language: node_js
node_js:
  - 'node'
  - '6'
  - '5'
  - '4'
  - '0.12'
  - '0.11'
  - '0.10'
after_script:
  - npm i coveralls
  - ./node_modules/coveralls/bin/coveralls.js < lcov

Add more versions of node.js to the matrix
Add more versions of node.js to the matrix
