diff --git a/.gitignore b/.gitignore
index f6170ce7..eb2b9aa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.dev
 .idea/
 __pycache__/
 db.sqlite3
diff --git a/README.md b/README.md
index e81afc2e..7b218af5 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,7 @@ Features do not include:
 
 ## Quickstart
 
-
-Create a virtual environment and activate it:
+Create a Python 2.7 virtual environment and activate it:
 
     $ virtualenv venv
     $ source venv/bin/activate
diff --git a/dev.sh b/dev.sh
new file mode 100755
index 00000000..67fe103a
--- /dev/null
+++ b/dev.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Directory of this script
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+DEV_DIR="$DIR/.dev"
+
+if [ ! -d "$DEV_DIR"]
+then
+    mkdir -p "$DEV_DIR"
+fi
+
+export MEDIA_ROOT="$DEV_DIR/media/"
+export EPAY_MERCHANT_NUMBER="123"
+export EPAY_MD5_SECRET="123"
+export COINIFY_API_KEY="123"
+export COINIFY_API_SECRET="123"
+export COINIFY_IPN_SECRET="123"
+export PDF_LETTERHEAD_FILENAME="bornhax.pdf"
+export BANKACCOUNT_IBAN="femfladeflødeboller"
+export BANKACCOUNT_SWIFTBIC="goldmansachs"
+export BANKACCOUNT_REG="1234"
+export BANKACCOUNT_ACCOUNT="56789"
+export TICKET_CATEGORY_ID="1"
+export SECRET_KEY="muchsecret"
+export ALLOWED_HOSTS="127.0.0.1"
+export DATABASE_URL="sqlite:///$DEV_DIR/dev.db"
+export EMAIL_HOST="localhost"
+export EMAIL_PORT="22"
+export EMAIL_HOST_USER="$USER"
+export EMAIL_HOST_PASSWORD=""
+export EMAIL_USE_TLS=""
+export DEFAULT_FROM_EMAIL="bornhax@localhost"
+export ARCHIVE_EMAIL=""
+
+python manage.py $@
diff --git a/shop/migrations/0016_auto_20160529_1122.py b/shop/migrations/0016_auto_20160529_1122.py
index a77054ec..90d0efdb 100644
--- a/shop/migrations/0016_auto_20160529_1122.py
+++ b/shop/migrations/0016_auto_20160529_1122.py
@@ -16,7 +16,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='coinifycallback',
             name='headers',
-            field=django.contrib.postgres.fields.jsonb.JSONField(default=''),
+            field=django.contrib.postgres.fields.jsonb.JSONField(default=None),
             preserve_default=False,
         ),
         migrations.AddField(