Updated dependencies

Author: Edson Medina

composer.json

@@ -13,7 +13,10 @@
         "psr-0": {
             "edsonmedina\\php_testability" : "src",
             "edsonmedina\\php_testability\\NodeVisitors" : "src\\NodeVisitors"
-        }
+        },
+        "classmap": [
+            "src/"
+        ]
     },
     "license": "GPL-2.0+",
     "require": {
@@ -31,10 +34,5 @@
     ],
     "config": {
         "bin-dir": "bin"
-    },
-    "autoload": {
-        "classmap": [
-            "src/"
-        ]
     }
 }