Prepare for L5.6

Author: barryvdh

composer.json

@@ -12,11 +12,11 @@
     "require": {
         "php": ">=7.0",
         "maximebf/debugbar": "~1.15.0",
-        "illuminate/routing": "5.5.x",
-        "illuminate/session": "5.5.x",
-        "illuminate/support": "5.5.x",
-        "symfony/debug": "^3",
-        "symfony/finder": "^3"
+        "illuminate/routing": "5.5.x|5.6.x",
+        "illuminate/session": "5.5.x|5.6.x",
+        "illuminate/support": "5.5.x|5.6.x",
+        "symfony/debug": "^3|^4",
+        "symfony/finder": "^3|^4"
     },
     "autoload": {
         "psr-4": {
@@ -30,7 +30,7 @@
     "prefer-stable": true,
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0-dev"
+            "dev-master": "3.2-dev"
         },
         "laravel": {
             "providers": [