Merge branch 'master' into master

Author: kraigb

requirements.txt

@@ -1,2 +1,3 @@
 Django==2.1.1
 pytz==2018.5
+Python==3.7

web_project/settings.py

@@ -28,9 +28,14 @@
 DEBUG = True
 
 # When deploying to Azure App Service, add you <name>.azurewebsites.net 
-# domain to ALLOWED_HOSTS; you get an error message if you forget.
-ALLOWED_HOSTS = []
-
+# domain to ALLOWED_HOSTS; you get an error message if you forget. When you add
+# a specific host, you must also add 'localhost' and/or '127.0.0.1' for local
+# debugging (which are enabled by default when ALLOWED_HOSTS is empty.)
+ALLOWED_HOSTS = [
+    #'localhost',
+    #'127.0.0.1'
+    #'vscode-django-tutorial.azurewebsites.net'  # Sample name only!
+]
 
 # Application definition