Change version constraint to make compatible with older versions of Laravel

Author: Jord-JD

composer.json

@@ -3,8 +3,8 @@
     "description": "Automatically convert an Eloquent model's dates to and from the current user's timezone",
     "type": "library",
     "require": {
-        "illuminate/database": "^5.6",
-        "illuminate/support": "^5.6"
+        "illuminate/database": "^5.1",
+        "illuminate/support": "^5.1"
     },
     "license": "LGPL-3.0-only",
     "authors": [