diff --git a/Pipfile.lock b/Pipfile.lock
index bc8e527..f6af000 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -68,10 +68,10 @@
         },
         "defusedxml": {
             "hashes": [
-                "sha256:24d7f2f94f7f3cb6061acb215685e5125fbcdc40a857eff9de22518820b0a4f4",
-                "sha256:702a91ade2968a82beb0db1e0766a6a273f33d4616a6ce8cde475d8e09853b20"
+                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
+                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
             ],
-            "version": "==0.5.0"
+            "version": "==0.6.0"
         },
         "django": {
             "hashes": [
@@ -135,10 +135,10 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
+                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
             ],
-            "version": "==2.10"
+            "version": "==2.10.1"
         },
         "jsonschema": {
             "hashes": [
@@ -266,16 +266,16 @@
         },
         "pyrsistent": {
             "hashes": [
-                "sha256:3ca82748918eb65e2d89f222b702277099aca77e34843c5eb9d52451173970e2"
+                "sha256:16692ee739d42cf5e39cef8d27649a8c1fdb7aa99887098f1460057c5eb75c3a"
             ],
-            "version": "==0.14.11"
+            "version": "==0.15.2"
         },
         "pytz": {
             "hashes": [
-                "sha256:32b0891edff07e28efe91284ed9c31e123d84bea3fd98e1f72be2508f43ef8d9",
-                "sha256:d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c"
+                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
+                "sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"
             ],
-            "version": "==2018.9"
+            "version": "==2019.1"
         },
         "pyyaml": {
             "hashes": [
@@ -296,10 +296,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
             ],
-            "version": "==2.21.0"
+            "version": "==2.22.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -333,10 +333,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
-                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+                "sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0",
+                "sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3"
             ],
-            "version": "==1.24.1"
+            "index": "pypi",
+            "version": "==1.24.2"
         },
         "whitenoise": {
             "hashes": [
@@ -438,10 +439,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:19ecf9ce9db2fce065a7a0586e07cfb4ac8614fe96edf628a264b1c70116cf8f",
-                "sha256:84d306a647cc805219916e62aab89caa97a33a1dd8c342e87a37f91073cd4746"
+                "sha256:25a1bc1d148c9a640211872b4ff859878d422bccb59c9965e04eed468a0aa180",
+                "sha256:964cedd2b27c492fbf0b7f58b3284a09cf7f99b0f715941fb24a439b3af1bd1a"
             ],
-            "version": "==0.9.0"
+            "version": "==0.11.0"
         },
         "py": {
             "hashes": [
@@ -466,10 +467,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:5ffada19f6203563680669ee7f53b64dabbeb100eb51b61996085e99c03b284a",
-                "sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d"
+                "sha256:31cba6ffb739f099a85e243eff8cb717089fdd3c7300767d9fc34cb8e1b065f5",
+                "sha256:5ad302949b3c98dd73f8d9fcdc7e9cb592f120e32a18e23efd7f3dc51194472b"
             ],
-            "version": "==2.3.1"
+            "version": "==2.4.0"
         },
         "pytest": {
             "hashes": [
@@ -503,27 +504,27 @@
         },
         "typed-ast": {
             "hashes": [
-                "sha256:035a54ede6ce1380599b2ce57844c6554666522e376bd111eb940fbc7c3dad23",
-                "sha256:037c35f2741ce3a9ac0d55abfcd119133cbd821fffa4461397718287092d9d15",
-                "sha256:049feae7e9f180b64efacbdc36b3af64a00393a47be22fa9cb6794e68d4e73d3",
-                "sha256:19228f7940beafc1ba21a6e8e070e0b0bfd1457902a3a81709762b8b9039b88d",
-                "sha256:2ea681e91e3550a30c2265d2916f40a5f5d89b59469a20f3bad7d07adee0f7a6",
-                "sha256:3a6b0a78af298d82323660df5497bcea0f0a4a25a0b003afd0ce5af049bd1f60",
-                "sha256:5385da8f3b801014504df0852bf83524599df890387a3c2b17b7caa3d78b1773",
-                "sha256:606d8afa07eef77280c2bf84335e24390055b478392e1975f96286d99d0cb424",
-                "sha256:69245b5b23bbf7fb242c9f8f08493e9ecd7711f063259aefffaeb90595d62287",
-                "sha256:6f6d839ab09830d59b7fa8fb6917023d8cb5498ee1f1dbd82d37db78eb76bc99",
-                "sha256:730888475f5ac0e37c1de4bd05eeb799fdb742697867f524dc8a4cd74bcecc23",
-                "sha256:9819b5162ffc121b9e334923c685b0d0826154e41dfe70b2ede2ce29034c71d8",
-                "sha256:9e60ef9426efab601dd9aa120e4ff560f4461cf8442e9c0a2b92548d52800699",
-                "sha256:af5fbdde0690c7da68e841d7fc2632345d570768ea7406a9434446d7b33b0ee1",
-                "sha256:b64efdbdf3bbb1377562c179f167f3bf301251411eb5ac77dec6b7d32bcda463",
-                "sha256:bac5f444c118aeb456fac1b0b5d14c6a71ea2a42069b09c176f75e9bd4c186f6",
-                "sha256:bda9068aafb73859491e13b99b682bd299c1b5fd50644d697533775828a28ee0",
-                "sha256:d659517ca116e6750101a1326107d3479028c5191f0ecee3c7203c50f5b915b0",
-                "sha256:eddd3fb1f3e0f82e5915a899285a39ee34ce18fd25d89582bc89fc9fb16cd2c6"
-            ],
-            "version": "==1.3.1"
+                "sha256:132eae51d6ef3ff4a8c47c393a4ef5ebf0d1aecc96880eb5d6c8ceab7017cc9b",
+                "sha256:18141c1484ab8784006c839be8b985cfc82a2e9725837b0ecfa0203f71c4e39d",
+                "sha256:2baf617f5bbbfe73fd8846463f5aeafc912b5ee247f410700245d68525ec584a",
+                "sha256:3d90063f2cbbe39177e9b4d888e45777012652d6110156845b828908c51ae462",
+                "sha256:4304b2218b842d610aa1a1d87e1dc9559597969acc62ce717ee4dfeaa44d7eee",
+                "sha256:4983ede548ffc3541bae49a82675996497348e55bafd1554dc4e4a5d6eda541a",
+                "sha256:5315f4509c1476718a4825f45a203b82d7fdf2a6f5f0c8f166435975b1c9f7d4",
+                "sha256:6cdfb1b49d5345f7c2b90d638822d16ba62dc82f7616e9b4caa10b72f3f16649",
+                "sha256:7b325f12635598c604690efd7a0197d0b94b7d7778498e76e0710cd582fd1c7a",
+                "sha256:8d3b0e3b8626615826f9a626548057c5275a9733512b137984a68ba1598d3d2f",
+                "sha256:8f8631160c79f53081bd23446525db0bc4c5616f78d04021e6e434b286493fd7",
+                "sha256:912de10965f3dc89da23936f1cc4ed60764f712e5fa603a09dd904f88c996760",
+                "sha256:b010c07b975fe853c65d7bbe9d4ac62f1c69086750a574f6292597763781ba18",
+                "sha256:c908c10505904c48081a5415a1e295d8403e353e0c14c42b6d67f8f97fae6616",
+                "sha256:c94dd3807c0c0610f7c76f078119f4ea48235a953512752b9175f9f98f5ae2bd",
+                "sha256:ce65dee7594a84c466e79d7fb7d3303e7295d16a83c22c7c4037071b059e2c21",
+                "sha256:eaa9cfcb221a8a4c2889be6f93da141ac777eb8819f077e1d09fb12d00a09a93",
+                "sha256:f3376bc31bad66d46d44b4e6522c5c21976bf9bca4ef5987bb2bf727f4506cbb",
+                "sha256:f9202fa138544e13a4ec1a6792c35834250a85958fde1251b6a22e07d1260ae7"
+            ],
+            "version": "==1.3.5"
         },
         "typing-extensions": {
             "hashes": [