diff --git a/Pipfile.lock b/Pipfile.lock
index 03f300a..34dfd4b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,18 +18,26 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:52a66d7f8b036d02da0a4472359e8be1727424fc1e4b4f5c684ef97de7b569e1",
-                "sha256:c85b8c95366e187ca0581d45a6e508107ca4bd38cb45c24aa09d3572074c523d"
+                "sha256:3339ff0e03dee13045aef6ae7b523edff75b6d726adf7a7a48f53d5a501f7db7",
+                "sha256:f2084ceecff86b1e631c2cd4107d435daf4e12f1efcdf11061a73bf0b5e95f92"
             ],
             "index": "pypi",
-            "version": "==1.11.23"
+            "version": "==2.2.24"
         },
         "pytz": {
             "hashes": [
-                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
-                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2019.2"
+            "version": "==2021.1"
+        },
+        "sqlparse": {
+            "hashes": [
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==0.4.1"
         }
     },
     "develop": {
@@ -45,118 +53,135 @@
                 "sha256:37228cda29411948b422fae072f57e31d3396d2ee1c9783775980ee9c9990af6",
                 "sha256:58587dd4dc3daefad0487f6d9ae32b4542b185e1c36db6993290e7c41ca2b47c"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.5"
         },
-        "atomicwrites": {
+        "appdirs": {
             "hashes": [
-                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
-                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+                "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41",
+                "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"
             ],
-            "version": "==1.3.0"
+            "version": "==1.4.4"
         },
-        "attrs": {
+        "atomicwrites": {
             "hashes": [
-                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
-                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
+                "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197",
+                "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"
             ],
-            "version": "==19.1.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.4.0"
         },
-        "babel": {
+        "attrs": {
             "hashes": [
-                "sha256:af92e6106cb7c55286b25b38ad7695f8b4efb36a90ba483d7f7a6628c46158ab",
-                "sha256:e86135ae101e31e2c8ec20a4e0c5220f4eed12487d5cf3f78be7e98d3a57fc28"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "version": "==2.7.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
-        "backports.functools-lru-cache": {
+        "babel": {
             "hashes": [
-                "sha256:9d98697f088eb1b0fa451391f91afb5e3ebde16bbdb272819fd091151fda4f1a",
-                "sha256:f0b0e4eba956de51238e17573b7087e852dfe9854afd2e9c873f73fc0ca0a6dd"
+                "sha256:ab49e12b91d937cd11f0b67cb259a57ab4ad2b59ac7a3b41d6c06c0ac5b0def9",
+                "sha256:bc0c176f9f6a994582230df350aa6e05ba2ebe4b3ac317eab29d9be5d2768da0"
             ],
-            "markers": "python_version < '3.2'",
-            "version": "==1.5"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.9.1"
         },
         "certifi": {
             "hashes": [
-                "sha256:046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939",
-                "sha256:945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2019.6.16"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
-        },
-        "configparser": {
-            "hashes": [
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-            "markers": "python_version < '3'",
-            "version": "==3.8.1"
-        },
-        "contextlib2": {
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-                "sha256:f5260a6e679d2ff42ec91ec5252f4eeffdcf21053db9113bd0a8e4d953769c00"
-            ],
-            "markers": "python_version < '3'",
-            "version": "==0.5.5"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==4.0.0"
         },
         "coverage": {
             "hashes": [
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-                "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c",
-                "sha256:e2ede7c1d45e65e209d6093b762e98e8318ddeff95317d07a27a2140b80cfd24",
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-            "version": "==4.5.4"
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+                "sha256:d1f8bf7b90ba55699b3a5e44930e93ff0189aa27186e96071fac7dd0d06a1873",
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+            "version": "==5.5"
+        },
+        "distlib": {
+            "hashes": [
+                "sha256:106fef6dc37dd8c0e2c0a60d3fca3e77460a48907f335fa28420463a6f799736",
+                "sha256:23e223426b28491b1ced97dc3bbe183027419dfc7982b4fa2f05d5f3ff10711c"
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         "docutils": {
             "hashes": [
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-            "version": "==0.15.2"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.17.1"
         },
         "execnet": {
             "hashes": [
-                "sha256:0dd40ad3b960aae93bdad7fe1c3f049bbcc8fba47094655a4301f5b33e906816",
-                "sha256:3839f3c1e9270926e7b3d9b0a52a57be89c302a3826a2b19c8d6e6c3d2b506d2"
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-            "version": "==1.7.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.8.1"
         },
         "filelock": {
             "hashes": [
@@ -172,113 +197,109 @@
             "index": "pypi",
             "version": "==0.10.4"
         },
-        "funcsigs": {
-            "hashes": [
-                "sha256:330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca",
-                "sha256:a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50"
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-                "sha256:49b3f5b064b6e3afc3316421a3f25f66c137ae88f068abbf72830170033c5e16",
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-            "markers": "python_version < '3.2'",
-            "version": "==3.3.0"
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@@ -289,10 +310,11 @@
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@@ -330,31 +352,35 @@
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@@ -411,47 +437,33 @@
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+            "version": "==1.16.0"
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         "snowballstemmer": {
             "hashes": [
-                "sha256:9f3b9ffe0809d174f7047e121431acf99c89a7040f0ca84f94ba53a498e6d0c9"
+                "sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2",
+                "sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914"
             ],
-            "version": "==1.9.0"
+            "version": "==2.1.0"
         },
         "sphinx": {
             "hashes": [
@@ -469,19 +481,29 @@
             "index": "pypi",
             "version": "==0.4.3"
         },
+        "sphinxcontrib-serializinghtml": {
+            "hashes": [
+                "sha256:352a9a00ae864471d3a7ead8d7d79f5fc0b57e8b3f95e9867eb9eb28999b92fd",
+                "sha256:aa5f6de5dfdf809ef505c4895e51ef5c9eac17d0f287933eb49ec495280b6952"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==1.1.5"
+        },
         "sphinxcontrib-websupport": {
             "hashes": [
-                "sha256:1501befb0fdf1d1c29a800fdbf4ef5dc5369377300ddbdd16d2cd40e54c6eefc",
-                "sha256:e02f717baf02d0b6c3dd62cf81232ffca4c9d5c331e03766982e3ff9f1d2bc3f"
+                "sha256:4edf0223a0685a7c485ae5a156b6f529ba1ee481a1417817935b20bde1956232",
+                "sha256:6fc9287dfc823fe9aa432463edd6cea47fa9ebbf488d7f289b322ffcfca075c7"
             ],
-            "version": "==1.1.2"
+            "markers": "python_version >= '3.5'",
+            "version": "==1.2.4"
         },
         "toml": {
             "hashes": [
-                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "version": "==0.10.0"
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
         },
         "tox": {
             "hashes": [
@@ -491,42 +513,36 @@
             "index": "pypi",
             "version": "==3.13.2"
         },
-        "typing": {
-            "hashes": [
-                "sha256:91dfe6f3f706ee8cc32d38edbbf304e9b7583fb37108fef38229617f8b3eba23",
-                "sha256:c8cabb5ab8945cd2f54917be357d134db9cc1eb039e59d1606dc1e60cb1d9d36",
-                "sha256:f38d83c5a7a7086543a0f649564d661859c5146a85775ab90c0d2f93ffaa9714"
-            ],
-            "markers": "python_version < '3.5'",
-            "version": "==3.7.4.1"
-        },
         "urllib3": {
             "hashes": [
-                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
-                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
-            "version": "==1.25.3"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
+            "version": "==1.26.5"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:94a6898293d07f84a98add34c4df900f8ec64a570292279f6d91c781d37fd305",
-                "sha256:f6fc312c031f2d2344f885de114f1cb029dfcffd26aa6e57d2ee2296935c4e7d"
+                "sha256:14fdf849f80dbb29a4eb6caa9875d476ee2a5cf76a5f5415fa2f1606010ab467",
+                "sha256:2b0126166ea7c9c3661f5b8e06773d28f83322de7a3ff7d06f0aed18c9de6a76"
             ],
-            "version": "==16.7.4"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.4.7"
         },
         "wcwidth": {
             "hashes": [
-                "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",
-                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
+                "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784",
+                "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"
             ],
-            "version": "==0.1.7"
+            "version": "==0.2.5"
         },
         "zipp": {
             "hashes": [
-                "sha256:4970c3758f4e89a7857a973b1e2a5d75bcdc47794442f2e2dd4fe8e0466e809a",
-                "sha256:8a5712cfd3bb4248015eb3b0b3c54a5f6ee3f2425963ef2a0125b8bc40aafaec"
+                "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76",
+                "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"
             ],
-            "version": "==0.5.2"
+            "markers": "python_version < '3.10'",
+            "version": "==3.4.1"
         }
     }
 }