Update composer.json to refactor namespace from PhpSlides\Src to PhpSlides\Core and improve test script execution

Author: dconco

composer.json

@@ -32,7 +32,7 @@
 	"autoload": {
 		"psr-4": {
 			"PhpSlides\\": "src/Exception/",
-			"PhpSlides\\Src\\": "src/",
+			"PhpSlides\\Core\\": "src/",
 			"PhpSlides\\Router\\": "Router/"
 		},
 		"files": [ "src/Bootstrap/App.php" ]
@@ -46,9 +46,8 @@
 		"preferred-install": "dist"
 	},
 	"scripts": {
-		"test": "vendor/bin/phpunit",
-		"phpunit": "php vendor/bin/phpunit"
+		"test": "phpunit || vendor/bin/phpunit || php vendor/bin/phpunit"
 	},
 	"minimum-stability": "stable",
 	"prefer-stable": true
-}
+}