Config: Improve the node.config.php transformation

- Add more types
- Improvement for assoziative arrays and key-value arrays
- Add a lot more tests

tests/datasets/config/B.node.config.php

@@ -23,9 +23,13 @@ return [
 					'string2' => 'false',
 				],
 			],
-			'v' => true,
-			'v3' => 1,
+			'bool_true' => true,
+			'bool_false' => false,
+			'int_1_not_true' => 1,
+			'int_0_not_false' => 0,
 			'v4' => 5.6443,
+			'string_1_not_true' => '1',
+			'string_0_not_false' => '0',
 		],
 	],
 	'system' => [