Allow Laravel 5.1

Author: JN-Jones

composer.json

@@ -13,9 +13,9 @@
 
     "require": {
         "php": ">=5.4.0",
-        "illuminate/support": ">=4.1,<5.1.0",
-        "illuminate/database": ">=4.1,<5.1.0",
-        "illuminate/events": ">=4.1,<5.1.0"
+        "illuminate/support": ">=4.1,<5.2.0",
+        "illuminate/database": ">=4.1,<5.2.0",
+        "illuminate/events": ">=4.1,<5.2.0"
     },
 
     "autoload": { "psr-4": { "Kalnoy\\Nestedset\\": "src/" } }