Updated python packages.

Author: Michael Bird

requirements.txt

@@ -1,11 +1,11 @@
-certifi==2018.8.24
+certifi==2018.10.15
 dj-database-url==0.5.0
-Django==2.1.2
+Django==2.1.3
 django-debug-toolbar==1.10.1
 django-heroku==0.3.1
 gunicorn==19.9.0
-psycopg2==2.7.5
-psycopg2-binary==2.7.5
-pytz==2018.5
+psycopg2==2.7.6.1
+psycopg2-binary==2.7.6.1
+pytz==2018.7
 sqlparse==0.2.4
-whitenoise==4.1
+whitenoise==4.1.2