IHF: Laravel 5.4 support.

Author: dmitry-ivanov

composer.json

@@ -11,16 +11,16 @@
     ],
     "require": {
         "php": ">=5.6.4",
-        "illuminate/support": "5.3.*",
+        "illuminate/support": "5.4.*",
         "nesbot/carbon": "^1.20",
-        "symfony/filesystem": "3.1.*",
-        "symfony/finder": "3.1.*",
-        "symfony/process": "3.1.*",
-        "symfony/var-dumper": "3.1.*",
+        "symfony/filesystem": "^3.2",
+        "symfony/finder": "^3.2",
+        "symfony/process": "^3.2",
+        "symfony/var-dumper": "^3.2",
         "spatie/array-to-xml": "^2.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.4",
+        "phpunit/phpunit": "^5.7",
         "mockery/mockery": "^0.9",
         "illuminated/testing-tools": "^0.6"
     },