update mysql library

inc/main.php

@@ -12,6 +12,7 @@ abstract class Main extends PhpObject
 	const ERROR = 'error';
 	const UNAUTHORIZED = 'unauthorized';
 	const NOT_FOUND = 'unknown action';
+	const NO_DATA = 'No Data';
 	//...
 	
 	//Folders
@@ -148,7 +149,7 @@ abstract class Main extends PhpObject
 	public static function getJsonResult($bSuccess, $sDesc, $asVars=array())
 	{
 		header('Content-type: application/json');
-		return json_encode(array('result'=>$bSuccess?self::SUCCESS:self::ERROR, 'desc'=>ToolBox::mb_ucwords($sDesc))+$asVars);
+		return json_encode(array('result'=>$bSuccess?self::SUCCESS:self::ERROR, 'desc'=>ToolBox::mb_ucwords($sDesc), 'data'=>$asVars));
 	}
 }