language: php
php:
  - 5.3
  - 5.4
  - 5.5

before_script:
  - composer install

script: ./vendor/bin/phpunit

language: php
php:
  - 5.3
  - 5.4
  - 5.5
  - 5.6
  - 7.0
  - 7.1

before_script:
  - composer install

script: ./vendor/bin/phpunit

Add PHP 5.6, 7.0, 7.1 to Travis file.
Add PHP 5.6, 7.0, 7.1 to Travis file.
