Fix to the PSR-4 autoloader

Author: Mark Horninger

composer.json

@@ -20,7 +20,7 @@
     ],
     "autoload": {
         "psr-4": {
-            "Mhorninger\\": "src/Mhorniger"
+            "Mhorninger\\": "src/Mhorniger/"
         }
     }
 }