diff --git a/web_server/Pipfile.lock b/web_server/Pipfile.lock
index 870a62e..d040fe0 100644
--- a/web_server/Pipfile.lock
+++ b/web_server/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "47c6eee846a7988a67c2ba03c6fb9d7310e2d488a45e8af47746ac6c2c38ac0f"
+            "sha256": "66a0018b9ca2240f900a2abc5e8ce0354d85eb222d84bd96b1314def0c7046f5"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -14,12 +14,43 @@
         ]
     },
     "default": {
+        "aiohttp": {
+            "hashes": [
+                "sha256:1e984191d1ec186881ffaed4581092ba04f7c61582a177b187d3a2f07ed9719e",
+                "sha256:259ab809ff0727d0e834ac5e8a283dc5e3e0ecc30c4d80b3cd17a4139ce1f326",
+                "sha256:2f4d1a4fdce595c947162333353d4a44952a724fba9ca3205a3df99a33d1307a",
+                "sha256:32e5f3b7e511aa850829fbe5aa32eb455e5534eaa4b1ce93231d00e2f76e5654",
+                "sha256:344c780466b73095a72c616fac5ea9c4665add7fc129f285fbdbca3cccf4612a",
+                "sha256:460bd4237d2dbecc3b5ed57e122992f60188afe46e7319116da5eb8a9dfedba4",
+                "sha256:4c6efd824d44ae697814a2a85604d8e992b875462c6655da161ff18fd4f29f17",
+                "sha256:50aaad128e6ac62e7bf7bd1f0c0a24bc968a0c0590a726d5a955af193544bcec",
+                "sha256:6206a135d072f88da3e71cc501c59d5abffa9d0bb43269a6dcd28d66bfafdbdd",
+                "sha256:65f31b622af739a802ca6fd1a3076fd0ae523f8485c52924a89561ba10c49b48",
+                "sha256:ae55bac364c405caa23a4f2d6cfecc6a0daada500274ffca4a9230e7129eac59",
+                "sha256:b778ce0c909a2653741cb4b1ac7015b5c130ab9c897611df43ae6a58523cb965"
+            ],
+            "version": "==3.6.2"
+        },
+        "async-timeout": {
+            "hashes": [
+                "sha256:0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f",
+                "sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"
+            ],
+            "version": "==3.0.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.11.28"
         },
         "chardet": {
             "hashes": [
@@ -30,18 +61,18 @@
         },
         "deprecated": {
             "hashes": [
-                "sha256:8bfeba6e630abf42b5d111b68a05f7fe3d6de7004391b3cd614947594f87a4ff",
-                "sha256:b784e0ca85a8c1e694d77e545c10827bd99772392e79d5f5442e761515a1246e"
+                "sha256:408038ab5fdeca67554e8f6742d1521cd3cd0ee0ff9d47f29318a4f4da31c308",
+                "sha256:8b6a5aa50e482d8244a62e5582b96c372e87e3a28e8b49c316e46b95c76a611d"
             ],
-            "version": "==1.2.4"
+            "version": "==1.2.7"
         },
         "django": {
             "hashes": [
-                "sha256:275bec66fd2588dd517ada59b8bfb23d4a9abc5a362349139ddda3c7ff6f5ade",
-                "sha256:939652e9d34d7d53d74d5d8ef82a19e5f8bb2de75618f7e5360691b6e9667963"
+                "sha256:1226168be1b1c7efd0e66ee79b0e0b58b2caa7ed87717909cd8a57bb13a7079a",
+                "sha256:9a4635813e2d498a3c01b10c701fe4a515d76dd290aaa792ccb65ca4ccb6b038"
             ],
             "index": "pypi",
-            "version": "==2.1.7"
+            "version": "==2.2.10"
         },
         "idna": {
             "hashes": [
@@ -50,6 +81,28 @@
             ],
             "version": "==2.8"
         },
+        "multidict": {
+            "hashes": [
+                "sha256:13f3ebdb5693944f52faa7b2065b751cb7e578b8dd0a5bb8e4ab05ad0188b85e",
+                "sha256:26502cefa86d79b86752e96639352c7247846515c864d7c2eb85d036752b643c",
+                "sha256:4fba5204d32d5c52439f88437d33ad14b5f228e25072a192453f658bddfe45a7",
+                "sha256:527124ef435f39a37b279653ad0238ff606b58328ca7989a6df372fd75d7fe26",
+                "sha256:5414f388ffd78c57e77bd253cf829373721f450613de53dc85a08e34d806e8eb",
+                "sha256:5eee66f882ab35674944dfa0d28b57fa51e160b4dce0ce19e47f495fdae70703",
+                "sha256:63810343ea07f5cd86ba66ab66706243a6f5af075eea50c01e39b4ad6bc3c57a",
+                "sha256:6bd10adf9f0d6a98ccc792ab6f83d18674775986ba9bacd376b643fe35633357",
+                "sha256:83c6ddf0add57c6b8a7de0bc7e2d656be3eefeff7c922af9a9aae7e49f225625",
+                "sha256:93166e0f5379cf6cd29746989f8a594fa7204dcae2e9335ddba39c870a287e1c",
+                "sha256:9a7b115ee0b9b92d10ebc246811d8f55d0c57e82dbb6a26b23c9a9a6ad40ce0c",
+                "sha256:a38baa3046cce174a07a59952c9f876ae8875ef3559709639c17fdf21f7b30dd",
+                "sha256:a6d219f49821f4b2c85c6d426346a5d84dab6daa6f85ca3da6c00ed05b54022d",
+                "sha256:a8ed33e8f9b67e3b592c56567135bb42e7e0e97417a4b6a771e60898dfd5182b",
+                "sha256:d7d428488c67b09b26928950a395e41cc72bb9c3d5abfe9f0521940ee4f796d4",
+                "sha256:dcfed56aa085b89d644af17442cdc2debaa73388feba4b8026446d168ca8dad7",
+                "sha256:f29b885e4903bd57a7789f09fe9d60b6475a6c1a4c0eca874d8558f00f9d4b51"
+            ],
+            "version": "==4.7.4"
+        },
         "pygithub": {
             "hashes": [
                 "sha256:263102b43a83e2943900c1313109db7a00b3b78aeeae2c9137ba694982864872"
@@ -74,30 +127,67 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:32b0891edff07e28efe91284ed9c31e123d84bea3fd98e1f72be2508f43ef8d9",
-                "sha256:d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c"
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
             ],
-            "version": "==2018.9"
+            "version": "==2019.3"
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+            ],
+            "version": "==2.22.0"
+        },
+        "slackclient": {
+            "hashes": [
+                "sha256:16ebbfa1c34374fa8c508d0c8e5c670e41bba4a3f62c469ab1ee1b8225a939fa",
+                "sha256:d37e4f91be9cf9d5c1a1698f44a37671fc92823ff01146cd827415f35fabe636"
             ],
-            "version": "==2.21.0"
+            "index": "pypi",
+            "version": "==2.5.0"
+        },
+        "sqlparse": {
+            "hashes": [
+                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
+                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+            ],
+            "version": "==0.3.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
-                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
+                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
             ],
-            "version": "==1.24.1"
+            "version": "==1.25.8"
         },
         "wrapt": {
             "hashes": [
-                "sha256:4aea003270831cceb8a90ff27c4031da6ead7ec1886023b80ce0dfe0adf61533"
+                "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
+            ],
+            "version": "==1.11.2"
+        },
+        "yarl": {
+            "hashes": [
+                "sha256:0c2ab325d33f1b824734b3ef51d4d54a54e0e7a23d13b86974507602334c2cce",
+                "sha256:0ca2f395591bbd85ddd50a82eb1fde9c1066fafe888c5c7cc1d810cf03fd3cc6",
+                "sha256:2098a4b4b9d75ee352807a95cdf5f10180db903bc5b7270715c6bbe2551f64ce",
+                "sha256:25e66e5e2007c7a39541ca13b559cd8ebc2ad8fe00ea94a2aad28a9b1e44e5ae",
+                "sha256:26d7c90cb04dee1665282a5d1a998defc1a9e012fdca0f33396f81508f49696d",
+                "sha256:308b98b0c8cd1dfef1a0311dc5e38ae8f9b58349226aa0533f15a16717ad702f",
+                "sha256:3ce3d4f7c6b69c4e4f0704b32eca8123b9c58ae91af740481aa57d7857b5e41b",
+                "sha256:58cd9c469eced558cd81aa3f484b2924e8897049e06889e8ff2510435b7ef74b",
+                "sha256:5b10eb0e7f044cf0b035112446b26a3a2946bca9d7d7edb5e54a2ad2f6652abb",
+                "sha256:6faa19d3824c21bcbfdfce5171e193c8b4ddafdf0ac3f129ccf0cdfcb083e462",
+                "sha256:944494be42fa630134bf907714d40207e646fd5a94423c90d5b514f7b0713fea",
+                "sha256:a161de7e50224e8e3de6e184707476b5a989037dcb24292b391a3d66ff158e70",
+                "sha256:a4844ebb2be14768f7994f2017f70aca39d658a96c786211be5ddbe1c68794c1",
+                "sha256:c2b509ac3d4b988ae8769901c66345425e361d518aecbe4acbfc2567e416626a",
+                "sha256:c9959d49a77b0e07559e579f38b2f3711c2b8716b8410b320bf9713013215a1b",
+                "sha256:d8cdee92bc930d8b09d8bd2043cedd544d9c8bd7436a77678dd602467a993080",
+                "sha256:e15199cdb423316e15f108f51249e44eb156ae5dba232cb73be555324a1d49c2"
             ],
-            "version": "==1.11.1"
+            "version": "==1.4.2"
         }
     },
     "develop": {}