Update dependencies for Laravel 5.5

Author: luklapp

composer.json

@@ -13,18 +13,18 @@
     "require": {
         "php": ">=7.0",
         "alymosul/exponent-server-sdk-php": "1.0.*",
-        "illuminate/notifications": "5.3.* || 5.4.*",
-        "illuminate/support": "5.3.* || 5.4.*",
-        "illuminate/events": "5.3.* || 5.4.*",
-        "illuminate/queue": "5.3.* || 5.4.*",
-        "illuminate/http": "5.3.* || 5.4.*",
-        "illuminate/routing": "5.3.* || 5.4.*",
-        "illuminate/validation": "5.3.* || 5.4.*",
-        "illuminate/auth": "5.3.* || 5.4.*"
+        "illuminate/notifications": "~5.5.0",
+        "illuminate/support": "~5.5.0",
+        "illuminate/events": "~5.5.0",
+        "illuminate/queue": "~5.5.0",
+        "illuminate/http": "~5.5.0",
+        "illuminate/routing": "~5.5.0",
+        "illuminate/validation": "~5.5.0",
+        "illuminate/auth": "~5.5.0"
     },
     "require-dev": {
         "mockery/mockery": "^0.9.5",
-        "phpunit/phpunit": "~5.7"
+        "phpunit/phpunit": "~6.0"
     },
     "autoload": {
         "psr-4": {