Allow Laravel 5.6

Author: jimmypuckett

composer.json

@@ -16,9 +16,9 @@
     ],
     "require": {
         "php": ">=5.5.0",
-        "illuminate/console": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*",
-        "illuminate/log": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*",
-        "illuminate/support": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*",
+        "illuminate/console": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*",
+        "illuminate/log": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*",
+        "illuminate/support": "~5.1.10|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*",
         "nesbot/carbon": "~1.19"
     },
     "require-dev": {