Added support of version PHP 7.0. + Updated PHPUnit version.

Author: corpsee

.travis.yml

@@ -2,8 +2,9 @@ language: php
 
 php:
   - 5.6
+  - 7.0
   - 7.1
   - 7.2
-  - hhvm
+  - 7.3
 
 before_script: composer install --dev --prefer-source

composer.json

@@ -19,13 +19,13 @@
         }
     ],
     "require": {
-        "php": "^5.6 || ^7.1",
+        "php": ">=5.6.0",
         "ext-json": "*",
         "guzzlehttp/guzzle": "~6.0",
         "symfony/console": "~2.5|~3.0|~4.0"
     },
     "require-dev":{
-        "phpunit/phpunit": "~4.1"
+        "phpunit/phpunit": "~5.7.0"
     },
     "autoload": {
         "psr-4": {