Update composer.json

Author: barryvdh

composer.json

@@ -11,9 +11,9 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "illuminate/support": "5.0.x|5.1.x",
-        "illuminate/console": "5.0.x|5.1.x",
-        "symfony/process": "~2.6"
+        "illuminate/support": "5.0.x|5.1.x|5.2.x",
+        "illuminate/console": "5.0.x|5.1.x|5.2.x",
+        "symfony/process": "~2.6|~3.0"
     },
     "autoload": {
         "psr-4": {