Enabled PSR-4 autoloading

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "ixudra/curl",
     "description": "Custom PHP Curl library for the Laravel 5 framework - developed by Ixudra",
-    "version": "6.7.0",
+    "version": "6.8.0",
     "keywords": ["Ixudra", "Laravel", "Curl"],
     "homepage": "http://ixudra.be",
     "license": "MIT",
@@ -19,7 +19,7 @@
     },
 
     "autoload": {
-        "psr-0": {
+        "psr-4": {
             "Ixudra\\Curl\\": "src/"
         }
     },