diff --git a/poetry.lock b/poetry.lock
index 10ea879..a08eff8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,54 +1,54 @@
 [[package]]
-category = "main"
-description = "Screen-scraping library"
 name = "beautifulsoup4"
+version = "4.6.0"
+description = "Screen-scraping library"
+category = "main"
 optional = false
 python-versions = "*"
-version = "4.6.0"
 
 [package.extras]
 html5lib = ["html5lib"]
 lxml = ["lxml"]
 
 [[package]]
-category = "main"
-description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
+version = "2019.11.28"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
 optional = false
 python-versions = "*"
-version = "2019.11.28"
 
 [[package]]
-category = "main"
-description = "Universal encoding detector for Python 2 and 3"
 name = "chardet"
+version = "3.0.4"
+description = "Universal encoding detector for Python 2 and 3"
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.0.4"
 
 [[package]]
-category = "main"
-description = "A high-level Python Web framework that encourages rapid development and clean, pragmatic design."
 name = "django"
+version = "2.2.28"
+description = "A high-level Python Web framework that encourages rapid development and clean, pragmatic design."
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "2.2.9"
 
 [package.dependencies]
 pytz = "*"
-sqlparse = "*"
+sqlparse = ">=0.2.2"
 
 [package.extras]
 argon2 = ["argon2-cffi (>=16.1.0)"]
 bcrypt = ["bcrypt"]
 
 [[package]]
-category = "main"
-description = "Django extension to allow working with 'clusters' of models as a single unit, independently of the database"
 name = "django-modelcluster"
+version = "5.0"
+description = "Django extension to allow working with 'clusters' of models as a single unit, independently of the database"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "5.0"
 
 [package.dependencies]
 pytz = ">=2015.2"
@@ -57,66 +57,66 @@ pytz = ">=2015.2"
 taggit = ["django-taggit (>=0.20)"]
 
 [[package]]
-category = "main"
-description = "django-taggit is a reusable Django application for simple tagging."
 name = "django-taggit"
+version = "1.2.0"
+description = "django-taggit is a reusable Django application for simple tagging."
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "1.2.0"
 
 [package.dependencies]
 Django = ">=1.11"
 
 [[package]]
-category = "main"
-description = "Efficient tree implementations for Django"
 name = "django-treebeard"
+version = "4.3"
+description = "Efficient tree implementations for Django"
+category = "main"
 optional = false
 python-versions = "*"
-version = "4.3"
 
 [package.dependencies]
 Django = ">=1.8"
 
 [[package]]
-category = "main"
-description = "Web APIs for Django, made easy."
 name = "djangorestframework"
+version = "3.11.0"
+description = "Web APIs for Django, made easy."
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "3.11.0"
 
 [package.dependencies]
 django = ">=1.11"
 
 [[package]]
-category = "main"
-description = "Library to convert rich text from Draft.js raw ContentState to HTML"
 name = "draftjs-exporter"
+version = "2.1.7"
+description = "Library to convert rich text from Draft.js raw ContentState to HTML"
+category = "main"
 optional = false
 python-versions = "*"
-version = "2.1.7"
 
 [package.extras]
 html5lib = ["beautifulsoup4 (>=4.4.1,<5)", "html5lib (>=0.999,<=1.0.1)"]
 lxml = ["lxml (>=4.2.0,<5)"]
-testing = ["tox (>=2.3.1)", "markov_draftjs (0.1.1)", "memory-profiler (0.47)", "psutil (5.4.1)", "coverage (>=4.1.0)", "flake8 (>=3.2.0)", "isort (4.2.5)", "beautifulsoup4 (>=4.4.1,<5)", "html5lib (>=0.999,<=1.0.1)", "lxml (>=4.2.0,<5)"]
+testing = ["tox (>=2.3.1)", "markov-draftjs (==0.1.1)", "memory-profiler (==0.47)", "psutil (==5.4.1)", "coverage (>=4.1.0)", "flake8 (>=3.2.0)", "isort (==4.2.5)", "beautifulsoup4 (>=4.4.1,<5)", "html5lib (>=0.999,<=1.0.1)", "lxml (>=4.2.0,<5)"]
 
 [[package]]
-category = "dev"
-description = "Discover and load entry points from installed packages."
 name = "entrypoints"
+version = "0.3"
+description = "Discover and load entry points from installed packages."
+category = "dev"
 optional = false
 python-versions = ">=2.7"
-version = "0.3"
 
 [[package]]
-category = "dev"
-description = "the modular source code checker: pep8, pyflakes and co"
 name = "flake8"
+version = "3.7.9"
+description = "the modular source code checker: pep8, pyflakes and co"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.7.9"
 
 [package.dependencies]
 entrypoints = ">=0.3.0,<0.4.0"
@@ -125,12 +125,12 @@ pycodestyle = ">=2.5.0,<2.6.0"
 pyflakes = ">=2.1.0,<2.2.0"
 
 [[package]]
-category = "main"
-description = "HTML parser based on the WHATWG HTML specification"
 name = "html5lib"
+version = "1.0.1"
+description = "HTML parser based on the WHATWG HTML specification"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.0.1"
 
 [package.dependencies]
 six = ">=1.9"
@@ -144,60 +144,60 @@ genshi = ["genshi"]
 lxml = ["lxml"]
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.8"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8"
 
 [[package]]
-category = "dev"
-description = "McCabe checker, plugin for flake8"
 name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
-category = "main"
-description = "Python Imaging Library (Fork)"
 name = "pillow"
+version = "6.2.1"
+description = "Python Imaging Library (Fork)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "6.2.1"
 
 [[package]]
-category = "dev"
-description = "Python style guide checker"
 name = "pycodestyle"
+version = "2.5.0"
+description = "Python style guide checker"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.5.0"
 
 [[package]]
-category = "dev"
-description = "passive checker of Python programs"
 name = "pyflakes"
+version = "2.1.1"
+description = "passive checker of Python programs"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.1.1"
 
 [[package]]
-category = "main"
-description = "World timezone definitions, modern and historical"
 name = "pytz"
+version = "2019.3"
+description = "World timezone definitions, modern and historical"
+category = "main"
 optional = false
 python-versions = "*"
-version = "2019.3"
 
 [[package]]
-category = "main"
-description = "Python HTTP for Humans."
 name = "requests"
+version = "2.22.0"
+description = "Python HTTP for Humans."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.22.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -207,92 +207,93 @@ urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
 [package.extras]
 security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
 
 [[package]]
-category = "main"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.13.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "1.13.0"
 
 [[package]]
-category = "main"
-description = "Non-validating SQL parser"
 name = "sqlparse"
+version = "0.3.0"
+description = "Non-validating SQL parser"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.3.0"
 
 [[package]]
-category = "main"
-description = "ASCII transliterations of Unicode text"
 name = "unidecode"
+version = "1.1.1"
+description = "ASCII transliterations of Unicode text"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.1.1"
 
 [[package]]
-category = "main"
-description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
+version = "1.25.7"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4"
-version = "1.25.7"
 
 [package.extras]
 brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
+socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
-category = "main"
-description = "A Django content management system."
 name = "wagtail"
+version = "2.7"
+description = "A Django content management system."
+category = "main"
 optional = false
 python-versions = "*"
-version = "2.7"
 
 [package.dependencies]
-Django = ">=2.0,<2.3"
-Pillow = ">=4.0.0,<7.0.0"
-Unidecode = ">=0.04.14,<2.0"
-Willow = ">=1.3,<1.4"
 beautifulsoup4 = ">=4.5.1,<4.6.1"
+Django = ">=2.0,<2.3"
 django-modelcluster = ">=5.0,<6.0"
 django-taggit = ">=1.0,<2.0"
 django-treebeard = ">=4.2.0,<5.0"
 djangorestframework = ">=3.7.4,<4.0"
 draftjs-exporter = ">=2.1.5,<3.0"
 html5lib = ">=0.999,<2"
+Pillow = ">=4.0.0,<7.0.0"
 pytz = ">=2016.6"
 requests = ">=2.11.1,<3.0"
 six = ">=1.11,<2.0"
+Unidecode = ">=0.04.14,<2.0"
+Willow = ">=1.3,<1.4"
 
 [package.extras]
-docs = ["pyenchant (1.6.8)", "sphinxcontrib-spelling (>=2.3.0)", "Sphinx (>=1.5.2)", "sphinx-autobuild (>=0.6.0)", "sphinx-rtd-theme (>=0.1.9)"]
-testing = ["python-dateutil (>=2.2)", "pytz (>=2014.7)", "elasticsearch (>=1.0.0,<3.0)", "Jinja2 (>=2.8,<3.0)", "boto3 (>=1.4,<1.5)", "freezegun (>=0.3.8)", "coverage (>=3.7.0)", "flake8 (>=3.6.0)", "isort (4.2.5)", "flake8-blind-except (0.1.1)", "flake8-print (2.0.2)", "jinjalint (>=0.5)", "docutils (0.15)"]
+docs = ["pyenchant (==1.6.8)", "sphinxcontrib-spelling (>=2.3.0)", "Sphinx (>=1.5.2)", "sphinx-autobuild (>=0.6.0)", "sphinx-rtd-theme (>=0.1.9)"]
+testing = ["python-dateutil (>=2.2)", "pytz (>=2014.7)", "elasticsearch (>=1.0.0,<3.0)", "Jinja2 (>=2.8,<3.0)", "boto3 (>=1.4,<1.5)", "freezegun (>=0.3.8)", "coverage (>=3.7.0)", "flake8 (>=3.6.0)", "isort (==4.2.5)", "flake8-blind-except (==0.1.1)", "flake8-print (==2.0.2)", "jinjalint (>=0.5)", "docutils (==0.15)"]
 
 [[package]]
-category = "main"
-description = "Character encoding aliases for legacy web content"
 name = "webencodings"
+version = "0.5.1"
+description = "Character encoding aliases for legacy web content"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.5.1"
 
 [[package]]
-category = "main"
-description = "A Python image library that sits on top of Pillow, Wand and OpenCV"
 name = "willow"
+version = "1.3"
+description = "A Python image library that sits on top of Pillow, Wand and OpenCV"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.3"
 
 [metadata]
-content-hash = "51608ca181ba8e5e4cc4c59a0783b905354981f3c5582441cfcb88db1af7faf2"
+lock-version = "1.1"
 python-versions = "^3.7"
+content-hash = "51608ca181ba8e5e4cc4c59a0783b905354981f3c5582441cfcb88db1af7faf2"
 
 [metadata.files]
 beautifulsoup4 = [
@@ -309,8 +310,8 @@ chardet = [
     {file = "chardet-3.0.4.tar.gz", hash = "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"},
 ]
 django = [
-    {file = "Django-2.2.9-py3-none-any.whl", hash = "sha256:687c37153486cf26c3fdcbdd177ef16de38dc3463f094b5f9c9955d91f277b14"},
-    {file = "Django-2.2.9.tar.gz", hash = "sha256:662a1ff78792e3fd77f16f71b1f31149489434de4b62a74895bd5d6534e635a5"},
+    {file = "Django-2.2.28-py3-none-any.whl", hash = "sha256:365429d07c1336eb42ba15aa79f45e1c13a0b04d5c21569e7d596696418a6a45"},
+    {file = "Django-2.2.28.tar.gz", hash = "sha256:0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413"},
 ]
 django-modelcluster = [
     {file = "django-modelcluster-5.0.tar.gz", hash = "sha256:a293a1875cb97c1b6e131f53857f0c47e297330c1b5df47737afa54bc10a967d"},
@@ -328,6 +329,7 @@ djangorestframework = [
     {file = "djangorestframework-3.11.0.tar.gz", hash = "sha256:e782087823c47a26826ee5b6fa0c542968219263fb3976ec3c31edab23a4001f"},
 ]
 draftjs-exporter = [
+    {file = "draftjs_exporter-2.1.7-py3-none-any.whl", hash = "sha256:d415a9964690a2cddb66a31ef32dd46c277e9b80434b94e39e3043188ed83e33"},
     {file = "draftjs_exporter-2.1.7.tar.gz", hash = "sha256:5839cbc29d7bce2fb99837a404ca40c3a07313f2a20e2700de7ad6aa9a9a18fb"},
 ]
 entrypoints = [