improvement CLDSRV-466 add timestamp for exceptions

(cherry picked from commit b1b2d2a)

index.js

@@ -1,3 +1,10 @@
 'use strict'; // eslint-disable-line strict
 
+/**
+ * Catch uncaught exceptions and add timestamp to aid debugging
+ */
+process.on('uncaughtException', err => {
+    process.stderr.write(`${new Date().toISOString()}: Uncaught exception: \n${err.stack}`);
+});
+
 require('./lib/server.js')();