diff --git a/Pipfile b/Pipfile
index 20bd7b6..000ff7c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,12 +6,13 @@ verify_ssl = true
 [dev-packages]
 pylint = "*"
 yapf = "*"
+rope = "*"
 
 [packages]
-bcrypt = "==3.1.6"
-flask-sqlalchemy = "==2.4.0"
+bcrypt = "==3.1.7"
+flask-sqlalchemy = "==2.4.1"
 flask-cors = "==3.0.8"
-flask = "==1.0.3"
+flask = "==1.1.1"
 
 [requires]
 python_version = "3.7"
diff --git a/Pipfile.lock b/Pipfile.lock
index 2604db1..82ed1cf 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "73a2b253ee73e3e539ed91aa60381d85adfab8769ead7b7b10da6ce82fe81c1a"
+            "sha256": "6afeff85b520bb1e0849705c134bfc40ae10652bb422686f68ce626a237dea08"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,28 +18,27 @@
     "default": {
         "bcrypt": {
             "hashes": [
-                "sha256:0ba875eb67b011add6d8c5b76afbd92166e98b1f1efab9433d5dc0fafc76e203",
-                "sha256:21ed446054c93e209434148ef0b362432bb82bbdaf7beef70a32c221f3e33d1c",
-                "sha256:28a0459381a8021f57230954b9e9a65bb5e3d569d2c253c5cac6cb181d71cf23",
-                "sha256:2aed3091eb6f51c26b7c2fad08d6620d1c35839e7a362f706015b41bd991125e",
-                "sha256:2fa5d1e438958ea90eaedbf8082c2ceb1a684b4f6c75a3800c6ec1e18ebef96f",
-                "sha256:3a73f45484e9874252002793518da060fb11eaa76c30713faa12115db17d1430",
-                "sha256:3e489787638a36bb466cd66780e15715494b6d6905ffdbaede94440d6d8e7dba",
-                "sha256:44636759d222baa62806bbceb20e96f75a015a6381690d1bc2eda91c01ec02ea",
-                "sha256:678c21b2fecaa72a1eded0cf12351b153615520637efcadc09ecf81b871f1596",
-                "sha256:75460c2c3786977ea9768d6c9d8957ba31b5fbeb0aae67a5c0e96aab4155f18c",
-                "sha256:8ac06fb3e6aacb0a95b56eba735c0b64df49651c6ceb1ad1cf01ba75070d567f",
-                "sha256:8fdced50a8b646fff8fa0e4b1c5fd940ecc844b43d1da5a980cb07f2d1b1132f",
-                "sha256:9b2c5b640a2da533b0ab5f148d87fb9989bf9bcb2e61eea6a729102a6d36aef9",
-                "sha256:a9083e7fa9adb1a4de5ac15f9097eb15b04e2c8f97618f1b881af40abce382e1",
-                "sha256:b7e3948b8b1a81c5a99d41da5fb2dc03ddb93b5f96fcd3fd27e643f91efa33e1",
-                "sha256:b998b8ca979d906085f6a5d84f7b5459e5e94a13fc27c28a3514437013b6c2f6",
-                "sha256:dd08c50bc6f7be69cd7ba0769acca28c846ec46b7a8ddc2acf4b9ac6f8a7457e",
-                "sha256:de5badee458544ab8125e63e39afeedfcf3aef6a6e2282ac159c95ae7472d773",
-                "sha256:ede2a87333d24f55a4a7338a6ccdccf3eaa9bed081d1737e0db4dbd1a4f7e6b6"
+                "sha256:0258f143f3de96b7c14f762c770f5fc56ccd72f8a1857a451c1cd9a655d9ac89",
+                "sha256:0b0069c752ec14172c5f78208f1863d7ad6755a6fae6fe76ec2c80d13be41e42",
+                "sha256:19a4b72a6ae5bb467fea018b825f0a7d917789bcfe893e53f15c92805d187294",
+                "sha256:5432dd7b34107ae8ed6c10a71b4397f1c853bd39a4d6ffa7e35f40584cffd161",
+                "sha256:6305557019906466fc42dbc53b46da004e72fd7a551c044a827e572c82191752",
+                "sha256:69361315039878c0680be456640f8705d76cb4a3a3fe1e057e0f261b74be4b31",
+                "sha256:6fe49a60b25b584e2f4ef175b29d3a83ba63b3a4df1b4c0605b826668d1b6be5",
+                "sha256:74a015102e877d0ccd02cdeaa18b32aa7273746914a6c5d0456dd442cb65b99c",
+                "sha256:763669a367869786bb4c8fcf731f4175775a5b43f070f50f46f0b59da45375d0",
+                "sha256:8b10acde4e1919d6015e1df86d4c217d3b5b01bb7744c36113ea43d529e1c3de",
+                "sha256:9fe92406c857409b70a38729dbdf6578caf9228de0aef5bc44f859ffe971a39e",
+                "sha256:a190f2a5dbbdbff4b74e3103cef44344bc30e61255beb27310e2aec407766052",
+                "sha256:a595c12c618119255c90deb4b046e1ca3bcfad64667c43d1166f2b04bc72db09",
+                "sha256:c9457fa5c121e94a58d6505cadca8bed1c64444b83b3204928a866ca2e599105",
+                "sha256:cb93f6b2ab0f6853550b74e051d297c27a638719753eb9ff66d1e4072be67133",
+                "sha256:ce4e4f0deb51d38b1611a27f330426154f2980e66582dc5f438aad38b5f24fc1",
+                "sha256:d7bdc26475679dd073ba0ed2766445bb5b20ca4793ca0db32b399dccc6bc84b7",
+                "sha256:ff032765bb8716d9387fd5376d987a937254b0619eff0972779515b5c98820bc"
             ],
             "index": "pypi",
-            "version": "==3.1.6"
+            "version": "==3.1.7"
         },
         "cffi": {
             "hashes": [
@@ -88,11 +87,11 @@
         },
         "flask": {
             "hashes": [
-                "sha256:ad7c6d841e64296b962296c2c2dabc6543752985727af86a975072dea984b6f3",
-                "sha256:e7d32475d1de5facaa55e3958bc4ec66d3762076b074296aa50ef8fdc5b9df61"
+                "sha256:13f9f196f330c7c2c5d7a5cf91af894110ca0215ac051b5844701f2bfd934d52",
+                "sha256:45eb5a6fd193d6cf7e0cf5d8a5b31f83d5faae0293695626f539a823e93b13f6"
             ],
             "index": "pypi",
-            "version": "==1.0.3"
+            "version": "==1.1.1"
         },
         "flask-cors": {
             "hashes": [
@@ -104,11 +103,11 @@
         },
         "flask-sqlalchemy": {
             "hashes": [
-                "sha256:0c9609b0d72871c540a7945ea559c8fdf5455192d2db67219509aed680a3d45a",
-                "sha256:8631bbea987bc3eb0f72b1f691d47bd37ceb795e73b59ab48586d76d75a7c605"
+                "sha256:0078d8663330dc05a74bc72b3b6ddc441b9a744e2f56fe60af1a5bfc81334327",
+                "sha256:6974785d913666587949f7c2946f7001e4fa2cb2d19f4e69ead02e4b8f50b33d"
             ],
             "index": "pypi",
-            "version": "==2.4.0"
+            "version": "==2.4.1"
         },
         "itsdangerous": {
             "hashes": [
@@ -248,6 +247,15 @@
             "index": "pypi",
             "version": "==2.4.4"
         },
+        "rope": {
+            "hashes": [
+                "sha256:6b728fdc3e98a83446c27a91fc5d56808a004f8beab7a31ab1d7224cecc7d969",
+                "sha256:c5c5a6a87f7b1a2095fb311135e2a3d1f194f5ecb96900fdd0a9100881f48aaf",
+                "sha256:f0dcf719b63200d492b85535ebe5ea9b29e0d0b8aebeb87fe03fc1a65924fdaf"
+            ],
+            "index": "pypi",
+            "version": "==0.14.0"
+        },
         "six": {
             "hashes": [
                 "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd",
@@ -255,32 +263,6 @@
             ],
             "version": "==1.13.0"
         },
-        "typed-ast": {
-            "hashes": [
-                "sha256:1170afa46a3799e18b4c977777ce137bb53c7485379d9706af8a59f2ea1aa161",
-                "sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
-                "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
-                "sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
-                "sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
-                "sha256:48e5b1e71f25cfdef98b013263a88d7145879fbb2d5185f2a0c79fa7ebbeae47",
-                "sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
-                "sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
-                "sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
-                "sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
-                "sha256:7954560051331d003b4e2b3eb822d9dd2e376fa4f6d98fee32f452f52dd6ebb2",
-                "sha256:838997f4310012cf2e1ad3803bce2f3402e9ffb71ded61b5ee22617b3a7f6b6e",
-                "sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
-                "sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
-                "sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
-                "sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
-                "sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
-                "sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
-                "sha256:fdc1c9bbf79510b76408840e009ed65958feba92a88833cdceecff93ae8fff66",
-                "sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
-            ],
-            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
-            "version": "==1.4.0"
-        },
         "wrapt": {
             "hashes": [
                 "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
diff --git a/requirements.txt b/requirements.txt
index a46d574..c46ba6e 100644
Binary files a/requirements.txt and b/requirements.txt differ