Fix sending dates through the protocol

Fixes #253.

packages/protocol/src/node/modules/fs.ts

@@ -24,10 +24,10 @@ export interface Stats {
 	mtimeMs: number;
 	ctimeMs: number;
 	birthtimeMs: number;
-	atime: Date | string;
-	mtime: Date | string;
-	ctime: Date | string;
-	birthtime: Date | string;
+	atime: Date;
+	mtime: Date;
+	ctime: Date;
+	birthtime: Date;
 	_isFile: boolean;
 	_isDirectory: boolean;
 	_isBlockDevice: boolean;

packages/protocol/src/node/server.ts

@@ -317,6 +317,7 @@ export class Server {
 		logger.trace(() => [
 			"sending reject",
 			field("id", id) ,
+			field("message", error.message),
 		]);
 
 		const failedMessage = new Method.Fail();