diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 2ccb288..e4ab1dc 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -18,26 +18,24 @@
     "default": {
         "asgiref": {
             "hashes": [
-                "sha256:7e51911ee147dd685c3c8b805c0ad0cb58d360987b56953878f8c06d2d1c6f1a",
-                "sha256:9fc6fb5d39b8af147ba40765234fa822b39818b12cc80b35ad9b0cef3a476aed"
+                "sha256:92906c611ce6c967347bbfea733f13d6313901d54dcca88195eaeb52b2a8e8ee",
+                "sha256:d1216dfbdfb63826470995d31caed36225dcaf34f182e0fa257a4dd9e86f1b78"
             ],
-            "markers": "python_version >= '3.5'",
-            "version": "==3.2.10"
+            "version": "==3.3.4"
         },
         "astroid": {
             "hashes": [
-                "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703",
-                "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"
+                "sha256:6b0ed1af831570e500e2437625979eaa3b36011f66ddfc4ce930128610258ca9",
+                "sha256:cd80bf957c49765dce6d92c43163ff9d2abc43132ce64d4b1b47717c6d2522df"
             ],
-            "markers": "python_version >= '3.5'",
-            "version": "==2.4.2"
+            "version": "==2.5.2"
         },
         "certifi": {
             "hashes": [
-                "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3",
-                "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2020.6.20"
+            "version": "==2020.12.5"
         },
         "chardet": {
             "hashes": [
@@ -56,11 +54,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:59c8125ca873ed3bdae9c12b146fbbd6ed8d0f743e4cf5f5817af50c51f1fc2f",
-                "sha256:b5fbb818e751f660fa2d576d9f40c34a4c615c8b48dd383f5216e609f383371f"
+                "sha256:c348b3ddc452bf4b62361f0752f71a339140c777ebea3cdaaaa8fdb7f417a862",
+                "sha256:f8393103e15ec2d2d313ccbb95a3f1da092f9f58d74ac1c61ca2ac0436ae1eac"
             ],
             "index": "pypi",
-            "version": "==3.1.1"
+            "version": "==3.1.8"
         },
         "django-cors-headers": {
             "hashes": [
@@ -99,43 +97,41 @@
                 "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
                 "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.10"
         },
         "isort": {
             "hashes": [
-                "sha256:92533892058de0306e51c88f22ece002a209dc8e80288aa3cec6d443060d584f",
-                "sha256:a200d47b7ee8b7f7d0a9646650160c4a51b6a91a9413fd31b1da2c4de789f5d3"
+                "sha256:0a943902919f65c5684ac4e0154b1ad4fac6dcaa5d9f3426b732f1c8b5419be6",
+                "sha256:2bb1680aad211e3c9944dbce1d4ba09a989f04e238296c87fe2139faa26d655d"
             ],
-            "markers": "python_version >= '3.6' and python_version < '4.0'",
-            "version": "==5.5.1"
+            "version": "==5.8.0"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:0c4b206227a8097f05c4dbdd323c50edf81f15db3b8dc064d08c62d37e1a504d",
-                "sha256:194d092e6f246b906e8f70884e620e459fc54db3259e60cf69a4d66c3fda3449",
-                "sha256:1be7e4c9f96948003609aa6c974ae59830a6baecc5376c25c92d7d697e684c08",
-                "sha256:4677f594e474c91da97f489fea5b7daa17b5517190899cf213697e48d3902f5a",
-                "sha256:48dab84ebd4831077b150572aec802f303117c8cc5c871e182447281ebf3ac50",
-                "sha256:5541cada25cd173702dbd99f8e22434105456314462326f06dba3e180f203dfd",
-                "sha256:59f79fef100b09564bc2df42ea2d8d21a64fdcda64979c0fa3db7bdaabaf6239",
-                "sha256:8d859b89baf8ef7f8bc6b00aa20316483d67f0b1cbf422f5b4dc56701c8f2ffb",
-                "sha256:9254f4358b9b541e3441b007a0ea0764b9d056afdeafc1a5569eee1cc6c1b9ea",
-                "sha256:9651375199045a358eb6741df3e02a651e0330be090b3bc79f6d0de31a80ec3e",
-                "sha256:97bb5884f6f1cdce0099f86b907aa41c970c3c672ac8b9c8352789e103cf3156",
-                "sha256:9b15f3f4c0f35727d3a0fba4b770b3c4ebbb1fa907dbcc046a1d2799f3edd142",
-                "sha256:a2238e9d1bb71a56cd710611a1614d1194dc10a175c1e08d75e1a7bcc250d442",
-                "sha256:a6ae12d08c0bf9909ce12385803a543bfe99b95fe01e752536a60af2b7797c62",
-                "sha256:ca0a928a3ddbc5725be2dd1cf895ec0a254798915fb3a36af0964a0a4149e3db",
-                "sha256:cb2c7c57005a6804ab66f106ceb8482da55f5314b7fcb06551db1edae4ad1531",
-                "sha256:d74bb8693bf9cf75ac3b47a54d716bbb1a92648d5f781fc799347cfc95952383",
-                "sha256:d945239a5639b3ff35b70a88c5f2f491913eb94871780ebfabb2568bd58afc5a",
-                "sha256:eba7011090323c1dadf18b3b689845fd96a61ba0a1dfbd7f24b921398affc357",
-                "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
-                "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
+                "sha256:17e0967ba374fc24141738c69736da90e94419338fd4c7c7bef01ee26b339653",
+                "sha256:1fee665d2638491f4d6e55bd483e15ef21f6c8c2095f235fef72601021e64f61",
+                "sha256:22ddd618cefe54305df49e4c069fa65715be4ad0e78e8d252a33debf00f6ede2",
+                "sha256:24a5045889cc2729033b3e604d496c2b6f588c754f7a62027ad4437a7ecc4837",
+                "sha256:410283732af311b51b837894fa2f24f2c0039aa7f220135192b38fcc42bd43d3",
+                "sha256:4732c765372bd78a2d6b2150a6e99d00a78ec963375f236979c0626b97ed8e43",
+                "sha256:489000d368377571c6f982fba6497f2aa13c6d1facc40660963da62f5c379726",
+                "sha256:4f60460e9f1eb632584c9685bccea152f4ac2130e299784dbaf9fae9f49891b3",
+                "sha256:5743a5ab42ae40caa8421b320ebf3a998f89c85cdc8376d6b2e00bd12bd1b587",
+                "sha256:85fb7608121fd5621cc4377a8961d0b32ccf84a7285b4f1d21988b2eae2868e8",
+                "sha256:9698110e36e2df951c7c36b6729e96429c9c32b3331989ef19976592c5f3c77a",
+                "sha256:9d397bf41caad3f489e10774667310d73cb9c4258e9aed94b9ec734b34b495fd",
+                "sha256:b579f8acbf2bdd9ea200b1d5dea36abd93cabf56cf626ab9c744a432e15c815f",
+                "sha256:b865b01a2e7f96db0c5d12cfea590f98d8c5ba64ad222300d93ce6ff9138bcad",
+                "sha256:bf34e368e8dd976423396555078def5cfc3039ebc6fc06d1ae2c5a65eebbcde4",
+                "sha256:c6938967f8528b3668622a9ed3b31d145fab161a32f5891ea7b84f6b790be05b",
+                "sha256:d1c2676e3d840852a2de7c7d5d76407c772927addff8d742b9808fe0afccebdf",
+                "sha256:d7124f52f3bd259f510651450e18e0fd081ed82f3c08541dffc7b94b883aa981",
+                "sha256:d900d949b707778696fdf01036f58c9876a0d8bfe116e8d220cfd4b15f14e741",
+                "sha256:ebfd274dcd5133e0afae738e6d9da4323c3eb021b3e13052d8cbd0e457b1256e",
+                "sha256:ed361bb83436f117f9917d282a456f9e5009ea12fd6de8742d1a4752c3017e93",
+                "sha256:f5144c75445ae3ca2057faac03fda5a902eff196702b0a24daf1d6ce0650514b"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.4.3"
+            "version": "==1.6.0"
         },
         "mccabe": {
             "hashes": [
@@ -157,7 +153,6 @@
                 "sha256:1f1eafc8a65d671f9892354f73142014fbb5d3a9ee621568c662d0a354e0578b",
                 "sha256:672d8a2faa12b44307874b2acfdd27f9cbaa5fa37bada4b34e36277224e6d8ed"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.5.0"
         },
         "psycopg2": {
@@ -165,6 +160,7 @@
                 "sha256:00195b5f6832dbf2876b8bf77f12bdce648224c89c880719c745b90515233301",
                 "sha256:068115e13c70dc5982dfc00c5d70437fe37c014c808acce119b5448361c03725",
                 "sha256:26e7fd115a6db75267b325de0fba089b911a4a12ebd3d0b5e7acb7028bc46821",
+                "sha256:2c93d4d16933fea5bbacbe1aaf8fa8c1348740b2e50b3735d1b0bf8154cbf0f3",
                 "sha256:56007a226b8e95aa980ada7abdea6b40b75ce62a433bd27cec7a8178d57f4051",
                 "sha256:56fee7f818d032f802b8eed81ef0c1232b8b42390df189cab9cfa87573fe52c5",
                 "sha256:6a3d9efb6f36f1fe6aa8dbb5af55e067db802502c55a9defa47c5a1dad41df84",
@@ -172,20 +168,19 @@
                 "sha256:ad2fe8a37be669082e61fb001c185ffb58867fdbb3e7a6b0b0d2ffe232353a3e",
                 "sha256:b8cae8b2f022efa1f011cc753adb9cbadfa5a184431d09b273fb49b4167561ad",
                 "sha256:d160744652e81c80627a909a0e808f3c6653a40af435744de037e3172cf277f5",
+                "sha256:d5062ae50b222da28253059880a871dc87e099c25cb68acf613d9d227413d6f7",
                 "sha256:f22ea9b67aea4f4a1718300908a2fb62b3e4276cf00bd829a97ab5894af42ea3",
                 "sha256:f974c96fca34ae9e4f49839ba6b78addf0346777b46c4da27a7bf54f48d3057d",
                 "sha256:fb23f6c71107c37fd667cb4ea363ddeb936b348bbd6449278eb92c189699f543"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.6"
         },
         "pylint": {
             "hashes": [
-                "sha256:bb4a908c9dadbc3aac18860550e870f58e1a02c9f2c204fdf5693d73be061210",
-                "sha256:bfe68f020f8a0fece830a22dd4d5dddb4ecc6137db04face4c3420a46a52239f"
+                "sha256:209d712ec870a0182df034ae19f347e725c1e615b2269519ab58a35b3fcbbe7a",
+                "sha256:bd38914c7731cdc518634a8d3c5585951302b6e2b6de60fbb3f7a0220e21eeee"
             ],
-            "markers": "python_version >= '3.5'",
-            "version": "==2.6.0"
+            "version": "==2.7.4"
         },
         "pylint-django": {
             "hashes": [
@@ -204,10 +199,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2020.1"
+            "version": "==2021.1"
         },
         "requests": {
             "hashes": [
@@ -230,23 +225,21 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:022fb9c87b524d1f7862b3037e541f68597a730a8843245c349fc93e1643dc4e",
-                "sha256:e162203737712307dfe78860cc56c8da8a852ab2ee33750e33aeadf38d12c548"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==0.3.1"
+            "version": "==0.4.1"
         },
         "toml": {
             "hashes": [
-                "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f",
-                "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "version": "==0.10.1"
+            "version": "==0.10.2"
         },
         "update-checker": {
             "hashes": [
@@ -257,18 +250,17 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a",
-                "sha256:e7983572181f5e1522d9c98453462384ee92a0be7fac5f1413a1e35c56cc0461"
+                "sha256:8d7eaa5a82a1cac232164990f04874c594c9453ec55eef02eab885aa02fc17a2",
+                "sha256:f5321fbe4bf3fefa0efd0bfe7fb14e90909eb62a48ccda331726b4319897dd5e"
             ],
-            "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": "==1.25.10"
+            "version": "==1.25.11"
         },
         "websocket-client": {
             "hashes": [
-                "sha256:0fc45c961324d79c781bab301359d5a1b00b13ad1b10415a4780229ef71a5549",
-                "sha256:d735b91d6d1692a6a181f2a8c9e0238e5f6373356f561bb9dc4c7af36f452010"
+                "sha256:44b5df8f08c74c3d82d28100fdc81f4536809ce98a17f0757557813275fbb663",
+                "sha256:63509b41d158ae5b7f67eb4ad20fecbb4eee99434e73e140354dc3ff8e09716f"
             ],
-            "version": "==0.57.0"
+            "version": "==0.58.0"
         },
         "whitenoise": {
             "hashes": [