diff --git a/.gitmodules b/.gitmodules
index 1664ebd..25afaf1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "media"]
 	path = media
 	url = https://git.mount-mockery.de/pylib/media.git
+[submodule "stringtools"]
+	path = stringtools
+	url = https://git.mount-mockery.de/pylib/stringtools
diff --git a/main/asgi.py b/main/asgi.py
new file mode 100644
index 0000000..fabf75e
--- /dev/null
+++ b/main/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for main project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'main.settings')
+
+application = get_asgi_application()
diff --git a/main/settings.py b/main/settings.py
index ea374fc..383ae5c 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -1,13 +1,13 @@
 """
 Django settings for this project.
 
-Generated by 'django-admin startproject' using Django 2.2.3.
+Generated by 'django-admin startproject' using Django 3.0.3.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/2.2/topics/settings/
+https://docs.djangoproject.com/en/3.0/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/2.2/ref/settings/
+https://docs.djangoproject.com/en/3.0/ref/settings/
 """
 
 import config
@@ -56,7 +56,7 @@ for property_name in USER_CONFIG_DEFAULTS:
     setattr(thismodule, property_name, value)
 
 # Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
+# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
 #
@@ -68,7 +68,7 @@ if SECRET_KEY is None:
 
 # SECURITY WARNING: don't run with debug turned on in production!
 #
-DEBUG = False
+DEBUG = True
 
 
 # Application definition
@@ -120,7 +120,7 @@ WSGI_APPLICATION = 'main.wsgi.application'
 
 
 # Database
-# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
+# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
 #
 DATABASES = {
     'default': {
@@ -131,7 +131,7 @@ DATABASES = {
 
 
 # Password validation
-# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
+# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
 #
 AUTH_PASSWORD_VALIDATORS = [
     {
@@ -155,7 +155,7 @@ WHOOSH_PATH = os.path.join(BASE_DIR, 'data', 'whoosh_index')
 
 
 # Internationalization
-# https://docs.djangoproject.com/en/2.2/topics/i18n/
+# https://docs.djangoproject.com/en/3.0/topics/i18n/
 #
 LANGUAGE_CODE = 'en-us'
 LANGUAGES = [
@@ -178,7 +178,7 @@ USE_TZ = True
 
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/2.2/howto/static-files/
+# https://docs.djangoproject.com/en/3.0/howto/static-files/
 #
 STATIC_ROOT = os.path.join(BASE_DIR, 'data', 'static')
 STATIC_URL = '/static/'
diff --git a/main/urls.py b/main/urls.py
index 520b18c..d2f3468 100644
--- a/main/urls.py
+++ b/main/urls.py
@@ -1,7 +1,7 @@
 """Project URL Configuration
 
 The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/2.2/topics/http/urls/
+    https://docs.djangoproject.com/en/3.0/topics/http/urls/
 Examples:
 Function views
     1. Add an import:  from my_app import views
diff --git a/main/wsgi.py b/main/wsgi.py
index fa40526..9a58840 100644
--- a/main/wsgi.py
+++ b/main/wsgi.py
@@ -4,7 +4,7 @@ WSGI config for this project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/2.2/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/3.0/howto/deployment/wsgi/
 """
 
 import os
diff --git a/requirements.txt b/requirements.txt
index 1969324..4c515d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Django>=2.0.5,<3.0
+Django>=2.0.5
 Pillow>=5.4.1
 python-creole>=1.0.0
 Whoosh>=2.4.0
diff --git a/stringtools b/stringtools
new file mode 160000
index 0000000..a12e00b
--- /dev/null
+++ b/stringtools
@@ -0,0 +1 @@
+Subproject commit a12e00bb8152af3863370d1c9b3fcadc8ddae31a
diff --git a/themes b/themes
index a24e772..b0106a3 160000
--- a/themes
+++ b/themes
@@ -1 +1 @@
-Subproject commit a24e772083b27e9ab413d137005dbc9e8325dbc4
+Subproject commit b0106a3d5cc302844dacc681f75f047876525e5e