diff --git a/Pipfile.lock b/Pipfile.lock
index 4aa5f8e..7d03976 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -25,18 +25,18 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
+                "sha256:5d19b92a3c8f7f101c8dd86afd86b0f061a8ce4540ab8cd401fa2542756bce6d"
             ],
-            "version": "==4.3.0"
+            "version": "==4.4.1"
         },
         "django": {
             "hashes": [
-                "sha256:7f246078d5a546f63c28fc03ce71f4d7a23677ce42109219c24c9ffb28416137",
-                "sha256:ea50d85709708621d956187c6b61d9f9ce155007b496dd914fdb35db8d790aec"
+                "sha256:1a41831eace203fd1939edf899e07d7abd12ce9bafc3d9a5a63a24a8d1d12bd5",
+                "sha256:305b6c4fce9e03bb746e35780c2c4d52f29ea1669f15633cfd41bc8821c74c76"
             ],
             "index": "pypi",
-            "version": "==2.1"
+            "version": "==2.1.11"
         },
         "django-extensions": {
             "hashes": [
@@ -55,10 +55,10 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:007dcd929c14631f83daff35df0147ea51d1af420da303fd078343878bd5fb62",
-                "sha256:b0f2ef9eada4a68ef63ee10b6dde4f35c840035c50fd24265f8052c98947d5a4"
+                "sha256:dfd303b270b7b5232b3d08bd30ec6fd685d8a58cabd54055e3d69d8f029f7280",
+                "sha256:ed7ebe1cba899c1c3ccad6f7f1c2d2369464cc77dba8eebc65e2043e19cda995"
             ],
-            "version": "==6.5.0"
+            "version": "==7.9.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -69,10 +69,10 @@
         },
         "jedi": {
             "hashes": [
-                "sha256:b409ed0f6913a701ed474a614a3bb46e6953639033e31f769ca7581da5bd1ec1",
-                "sha256:c254b135fb39ad76e78d4d8f92765ebc9bf92cbc76f49e97ade1d5f5121e1f6f"
+                "sha256:786b6c3d80e2f06fd77162a07fed81b8baa22dde5d62896a790a331d6ac21a27",
+                "sha256:ba859c74fa3c966a22f2aeebe1b74ee27e2a462f56d3f5f7ca4a59af61bfe42e"
             ],
-            "version": "==0.12.1"
+            "version": "==0.15.1"
         },
         "mysqlclient": {
             "hashes": [
@@ -83,33 +83,33 @@
         },
         "parso": {
             "hashes": [
-                "sha256:35704a43a3c113cce4de228ddb39aab374b8004f4f2407d070b6a2ca784ce8a2",
-                "sha256:895c63e93b94ac1e1690f5fdd40b65f07c8171e3e53cbd7793b5b96c0e0a7f24"
+                "sha256:63854233e1fadb5da97f2744b6b24346d2750b85965e7e399bec1620232797dc",
+                "sha256:666b0ee4a7a1220f65d367617f2cd3ffddff3e205f3f16a0284df30e774c2a9c"
             ],
-            "version": "==0.3.1"
+            "version": "==0.5.1"
         },
         "pexpect": {
             "hashes": [
-                "sha256:2a8e88259839571d1251d278476f3eec5db26deb73a70be5ed5dc5435e418aba",
-                "sha256:3fbd41d4caf27fa4a377bfd16fef87271099463e6fa73e92a52f92dfee5d425b"
+                "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
+                "sha256:9e2c1fd0e6ee3a49b28f95d4b33bc389c89b20af6a1255906e90ff1262ce62eb"
             ],
             "markers": "sys_platform != 'win32'",
-            "version": "==4.6.0"
+            "version": "==4.7.0"
         },
         "pickleshare": {
             "hashes": [
-                "sha256:84a9257227dfdd6fe1b4be1319096c20eb85ff1e82c7932f36efccfe1b09737b",
-                "sha256:c9a2541f25aeabc070f12f452e1f2a8eae2abd51e1cd19e8430402bdf4c1d8b5"
+                "sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca",
+                "sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56"
             ],
-            "version": "==0.7.4"
+            "version": "==0.7.5"
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:1df952620eccb399c53ebb359cc7d9a8d3a9538cb34c5a1344bdbeb29fbcc381",
-                "sha256:3f473ae040ddaa52b52f97f6b4a493cfa9f5920c255a12dc56a7d34397a398a4",
-                "sha256:858588f1983ca497f1cf4ffde01d978a3ea02b01c8a26a8bbc5cd2e66d816917"
+                "sha256:46642344ce457641f28fc9d1c9ca939b63dadf8df128b86f1b9860e59c73a5e4",
+                "sha256:e7f8af9e3d70f514373bf41aa51bc33af12a6db3f71461ea47fea985defb2c31",
+                "sha256:f15af68f66e664eaa559d4ac8a928111eebd5feda0c11738b5998045224829db"
             ],
-            "version": "==1.0.15"
+            "version": "==2.0.10"
         },
         "ptyprocess": {
             "hashes": [
@@ -120,37 +120,31 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
-                "sha256:dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
+                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
+                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
             ],
-            "version": "==2.2.0"
+            "version": "==2.4.2"
         },
         "pytz": {
             "hashes": [
-                "sha256:a061aa0a9e06881eb8b3b2b43f05b9439d6583c206d0a6c340ff72a7b6669053",
-                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
             ],
-            "version": "==2018.5"
-        },
-        "simplegeneric": {
-            "hashes": [
-                "sha256:dc972e06094b9af5b855b3df4a646395e43d1c9d0d39ed345b7393560d0b9173"
-            ],
-            "version": "==0.8.1"
+            "version": "==2019.3"
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         },
         "traitlets": {
             "hashes": [
-                "sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835",
-                "sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9"
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
             ],
-            "version": "==4.3.2"
+            "version": "==4.3.3"
         },
         "wcwidth": {
             "hashes": [