Fix Autoload for Custom Tasks.

Mage/Autoload.php

@@ -27,8 +27,15 @@ class Autoload
         $className = ltrim($className, '/');
         $postfix = '/' . str_replace(array('_', '\\'), '/', $className . '.php');
 
-        //Try to load a normal Mage class (or Task). Think that Mage component is compiled to .phar
+        // Change BaseDir according to Namespace
+        if (strpos($className, 'Task\\') === 0) {
+            $baseDir = getcwd() . '/.mage/tasks';
+            $postfix = substr($postfix, 5);
+        } else {
             $baseDir = dirname(dirname(__FILE__));
+        }
+
+        //Try to load a normal Mage class (or Task). Think that Mage component is compiled to .phar
         $classFileWithinPhar = $baseDir . $postfix;
         if ($this->isReadable($classFileWithinPhar)) {
             /** @noinspection PhpIncludeInspection */

Mage/Task/Factory.php

@@ -48,7 +48,7 @@ class Factory
         $taskName = str_replace(' ', '', $taskName);
 
         if (strpos($taskName, '/') === false) {
-            $className = $taskName;
+            $className = 'Task\\' . $taskName;
 
         } else {
             $className = 'Mage\\Task\\BuiltIn\\' . str_replace(' ', '\\', ucwords(str_replace('/', ' ', $taskName))) . 'Task';