language: node_js
node_js:
  - "0.11"
  - "0.10"
after_success:
  - "npm run cover"
  - "cat artifacts/lcov.info | ./node_modules/coveralls/bin/coveralls.js"

language: node_js
matrix:
  allow_failures:
    - node_js: "0.13"
node_js:
  - "iojs"
  - "0.13"
  - "0.12"
  - "0.10"
after_success:
  - "npm run cover"
  - "cat artifacts/lcov.info | ./node_modules/coveralls/bin/coveralls.js"

Add 0.12 and iojs to required tests; Add 0.13 as optional
Add 0.12 and iojs to required tests; Add 0.13 as optional
