Release of v5.0.0-rc1

Improved the Schema Table update engine (more). Fix autoloader timing, and loading. Implement the Joomla Powers in JCB code, to move away from JClasses.

admin/src/Helper/PowerloaderHelper.php

@@ -20,7 +20,7 @@ if (file_exists($composer_autoloader))
 }
 
 // register additional namespace
-\spl_autoload_register(function ($class) {
+spl_autoload_register(function ($class) {
 	// project-specific base directories and namespace prefix
 	$search = [
 		'libraries/vendor_jcb/VDM.Joomla.Gitea' => 'VDM\\Joomla\\Gitea',