Merge pull request #209 from tibineogen/symfony-4-support

update to support symfony 4

Author: stephpy

.travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
     - 5.4
     - 5.5
+    - 7.1
 
 install: composer install -n
 

composer.json

@@ -12,15 +12,15 @@
     "require": {
         "php": ">=5.3.2",
         "stephpy/timeline": "*",
-        "symfony/framework-bundle": "~2.0|~3.0",
-        "symfony/options-resolver": "~2.0|~3.0"
+        "symfony/framework-bundle": "~2.0|~3.0|~4.0",
+        "symfony/options-resolver": "~2.0|~3.0|~4.0"
     },
     "require-dev": {
-        "atoum/atoum": "1.*",
+        "atoum/atoum": "1.*|3.*",
         "doctrine/orm": "2.*",
-        "symfony/console": "~2.0|~3.0",
-        "symfony/twig-bundle": "~2.0|~3.0",
-        "symfony/expression-language": "~2.0|~3.0"
+        "symfony/console": "~2.0|~3.0|~4.0",
+        "symfony/twig-bundle": "~2.0|~3.0|~4.0",
+        "symfony/expression-language": "~2.0|~3.0|~4.0"
     },
     "suggest": {
         "symfony/console": "List spreads and deploy timelines via a command",