Log startup errors with a full stack trace

Author: piemonkey

web.py

@@ -1,6 +1,7 @@
 import os
 from importlib import import_module
 import builtins
+import traceback
 
 import flask
 from rdflib.namespace import Namespace
@@ -30,7 +31,7 @@
     module_path = 'ext.app.{}'.format(app_file)
     import_module(module_path)
 except Exception as e:
-    helpers.log(str(e))
+    helpers.log(''.join(traceback.format_exception(None, e, e.__traceback__)))
 
 #######################
 ## Start Application ##