added DBG post body

SE/se-lib/DBG.php

@@ -259,7 +259,7 @@ class DBG {
 		if ($_firstRun) {
 			$_firstRun = false;
 			$firstMsg = V::get('REQUEST_METHOD', '', $_SERVER) . " " . V::get('REQUEST_URI', '', $_SERVER);
-			self::_log([ 'POST' => $_POST, 'GET' => $_GET ], 'array', $firstMsg, $logFileName);
+			self::_log([ 'POST' => $_POST, 'GET' => $_GET, 'POST_BODY' => Request::getRequestBody() ], 'array', $firstMsg, $logFileName);
 		}
 		self::_log($mixedArg, $type, $msg, $logFileName);
 	}