few tweaks + remove accents function

inc/main.php

@@ -15,6 +15,9 @@ abstract class Main extends PhpObject
 	const NO_DATA = 'No Data';
 	//...
 	
+	const ACTIVE = 1;
+	const INACTIVE = 0;
+	
 	//Folders
 	const MASKS_FOLDER = 'masks/';