diff --git a/package-lock.json b/package-lock.json
index b7eff17..d55d5a5 100644
--- a/package-lock.json
+++ b/package-lock.json
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-        "csstype": "^2.6.5",
+        "csstype": "^3.0.2",
+        "indefinite-observable": "^2.0.1",
         "is-in-browser": "^1.1.3",
         "tiny-warning": "^1.0.2"
+      },
+      "dependencies": {
+        "csstype": {
+          "version": "3.0.6",
+          "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.6.tgz",
+          "integrity": "sha512-+ZAmfyWMT7TiIlzdqJgjMb7S4f1beorDbWbsocyK4RaiqA5RTX3K14bnBWmmA9QEM0gRdsjyyrEmcyga8Zsxmw=="
+        }
       }
     },
     "jss-plugin-camel-case": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-camel-case/-/jss-plugin-camel-case-10.0.4.tgz",
-      "integrity": "sha512-+wnqxJsyfUnOn0LxVg3GgZBSjfBCrjxwx7LFxwVTUih0ceGaXKZoieheNOaTo5EM4w8bt1nbb8XonpQCj67C6A==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-camel-case/-/jss-plugin-camel-case-10.5.0.tgz",
+      "integrity": "sha512-GSjPL0adGAkuoqeYiXTgO7PlIrmjv5v8lA6TTBdfxbNYpxADOdGKJgIEkffhlyuIZHlPuuiFYTwUreLUmSn7rg==",
       "requires": {
         "@babel/runtime": "^7.3.1",
         "hyphenate-style-name": "^1.0.3",
-        "jss": "10.0.4"
+        "jss": "10.5.0"
       }
     },
     "jss-plugin-default-unit": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-default-unit/-/jss-plugin-default-unit-10.0.4.tgz",
-      "integrity": "sha512-T0mhL/Ogp/quvod/jAHEqKvptLDxq7Cj3a+7zRuqK8HxUYkftptN89wJElZC3rshhNKiogkEYhCWenpJdFvTBg==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-default-unit/-/jss-plugin-default-unit-10.5.0.tgz",
+      "integrity": "sha512-rsbTtZGCMrbcb9beiDd+TwL991NGmsAgVYH0hATrYJtue9e+LH/Gn4yFD1ENwE+3JzF3A+rPnM2JuD9L/SIIWw==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "jss": "10.0.4"
+        "jss": "10.5.0"
       }
     },
     "jss-plugin-global": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-global/-/jss-plugin-global-10.0.4.tgz",
-      "integrity": "sha512-N8n9/GHENZce+sqE4UYiZiJtI+t+erT/BypHOrNYAfIoNEj7OYsOEKfIo2P0GpLB3QyDAYf5eo9XNdZ8veEkUA==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-global/-/jss-plugin-global-10.5.0.tgz",
+      "integrity": "sha512-FZd9+JE/3D7HMefEG54fEC0XiQ9rhGtDHAT/ols24y8sKQ1D5KIw6OyXEmIdKFmACgxZV2ARQ5pAUypxkk2IFQ==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "jss": "10.0.4"
+        "jss": "10.5.0"
       }
     },
     "jss-plugin-nested": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-nested/-/jss-plugin-nested-10.0.4.tgz",
-      "integrity": "sha512-QM21BKVt8LDeoRfowvAMh/s+/89VYrreIIE6ch4pvw0oAXDWw1iorUPlqLZ7uCO3UL0uFtQhJq3QMLN6Lr1v0A==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-nested/-/jss-plugin-nested-10.5.0.tgz",
+      "integrity": "sha512-ejPlCLNlEGgx8jmMiDk/zarsCZk+DV0YqXfddpgzbO9Toamo0HweCFuwJ3ZO40UFOfqKwfpKMVH/3HUXgxkTMg==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "jss": "10.0.4",
+        "jss": "10.5.0",
         "tiny-warning": "^1.0.2"
       }
     },
     "jss-plugin-props-sort": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-props-sort/-/jss-plugin-props-sort-10.0.4.tgz",
-      "integrity": "sha512-WoETdOCjGskuin/OMt2uEdDPLZF3vfQuHXF+XUHGJrq0BAapoyGQDcv37SeReDlkRAbVXkEZPsIMvYrgHSHFiA==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-props-sort/-/jss-plugin-props-sort-10.5.0.tgz",
+      "integrity": "sha512-kTLRvrOetFKz5vM88FAhLNeJIxfjhCepnvq65G7xsAQ/Wgy7HwO1BS/2wE5mx8iLaAWC6Rj5h16mhMk9sKdZxg==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "jss": "10.0.4"
+        "jss": "10.5.0"
       }
     },
     "jss-plugin-rule-value-function": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-rule-value-function/-/jss-plugin-rule-value-function-10.0.4.tgz",
-      "integrity": "sha512-0hrzOSWRF5ABJGaHrlnHbYZjU877Ofzfh2id3uLtBvemGQLHI+ldoL8/+6iPSRa7M8z8Ngfg2vfYhKjUA5gA0g==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-rule-value-function/-/jss-plugin-rule-value-function-10.5.0.tgz",
+      "integrity": "sha512-jXINGr8BSsB13JVuK274oEtk0LoooYSJqTBCGeBu2cG/VJ3+4FPs1gwLgsq24xTgKshtZ+WEQMVL34OprLidRA==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "jss": "10.0.4"
+        "jss": "10.5.0",
+        "tiny-warning": "^1.0.2"
       }
     },
     "jss-plugin-vendor-prefixer": {
-      "version": "10.0.4",
-      "resolved": "https://registry.npmjs.org/jss-plugin-vendor-prefixer/-/jss-plugin-vendor-prefixer-10.0.4.tgz",
-      "integrity": "sha512-4JgEbcrdeMda1qvxTm1CnxFJAWVV++VLpP46HNTrfH7VhVlvUpihnUNs2gAlKuRT/XSBuiWeLAkrTqF4NVrPig==",
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/jss-plugin-vendor-prefixer/-/jss-plugin-vendor-prefixer-10.5.0.tgz",
+      "integrity": "sha512-rux3gmfwDdOKCLDx0IQjTwTm03IfBa+Rm/hs747cOw5Q7O3RaTUIMPKjtVfc31Xr/XI9Abz2XEupk1/oMQ7zRA==",
       "requires": {
         "@babel/runtime": "^7.3.1",
-        "css-vendor": "^2.0.7",
-        "jss": "10.0.4"
+        "css-vendor": "^2.0.8",
+        "jss": "10.5.0"
       }
     },
     "jwa": {
@@ -4921,6 +5047,18 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
+    "mui-rff": {
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/mui-rff/-/mui-rff-2.5.7.tgz",
+      "integrity": "sha512-Xz/SIftydVdnvXRPwDgOaX0VgI/hXlzmPCKM93veOLiXwLf9iDuF4zxpddYrGC2xdhgJdUiMxSGwQ/nEI3tBdw==",
+      "requires": {
+        "@date-io/core": "^1.3.13",
+        "@date-io/date-fns": "^1.3.13",
+        "@material-ui/lab": "^4.0.0-alpha.56",
+        "@material-ui/pickers": "^3.2.10",
+        "date-fns": "*"
+      }
+    },
     "nan": {
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
@@ -5605,9 +5743,9 @@
       }
     },
     "popper.js": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.16.1.tgz",
-      "integrity": "sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ=="
+      "version": "1.16.1-lts",
+      "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.16.1-lts.tgz",
+      "integrity": "sha512-Kjw8nKRl1m+VrSFCoVGPph93W/qrSO7ZkqPpTf7F4bk/sqcfWK019dWBUpE/fBOsOQY1dks/Bmcbfn1heM/IsA=="
     },
     "posix-character-classes": {
       "version": "0.1.1",
@@ -6338,6 +6476,42 @@
         }
       }
     },
+    "react-final-form": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/react-final-form/-/react-final-form-6.5.2.tgz",
+      "integrity": "sha512-c5l45FYOoxtfpvsvMFh3w2WW8KNxbuebBUrM16rUrooQkewTs0Zahmv0TuKFX5jsC9BKn5Fo84j3ZVXQdURS4w==",
+      "requires": {
+        "@babel/runtime": "^7.12.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.12.5",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.5.tgz",
+          "integrity": "sha512-plcc+hbExy3McchJCEQG3knOsuh3HH+Prx1P6cLIkET/0dLuQDEnrT+s27Axgc9bqfsmNUNHfscgMUdBpC9xfg==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        }
+      }
+    },
+    "react-final-form-arrays": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/react-final-form-arrays/-/react-final-form-arrays-3.1.3.tgz",
+      "integrity": "sha512-dzBiLfbr9l1YRExARBpJ8uA/djBenCvFrbrsXjd362joDl3vT+WhmMKKr6HDQMJffjA8T4gZ3n5+G9M59yZfuQ==",
+      "requires": {
+        "@babel/runtime": "^7.12.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.12.5",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.5.tgz",
+          "integrity": "sha512-plcc+hbExy3McchJCEQG3knOsuh3HH+Prx1P6cLIkET/0dLuQDEnrT+s27Axgc9bqfsmNUNHfscgMUdBpC9xfg==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        }
+      }
+    },
     "react-is": {
       "version": "16.8.6",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.8.6.tgz",
@@ -6368,9 +6542,9 @@
       }
     },
     "react-transition-group": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-4.3.0.tgz",
-      "integrity": "sha512-1qRV1ZuVSdxPlPf4O8t7inxUGpdyO5zG9IoNfJxSO0ImU2A1YWkEQvFPuIPZmMLkg5hYs7vv5mMOyfgSkvAwvw==",
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-4.4.1.tgz",
+      "integrity": "sha512-Djqr7OQ2aPUiYurhPalTrVy9ddmFCCzwhqQmtN+J3+3DzLO209Fdr70QrN8Z3DsglWql6iY1lDWAfpFiBtuKGw==",
       "requires": {
         "@babel/runtime": "^7.5.5",
         "dom-helpers": "^5.0.1",
@@ -6705,6 +6879,14 @@
       "resolved": "https://registry.npmjs.org/rework-visit/-/rework-visit-1.0.0.tgz",
       "integrity": "sha1-mUWygD8hni96ygCtuLyfZA+ELJo="
     },
+    "rifm": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/rifm/-/rifm-0.7.0.tgz",
+      "integrity": "sha512-DSOJTWHD67860I5ojetXdEQRIBvF6YcpNe53j0vn1vp9EUb9N80EiZTxgP+FkDKorWC8PZw052kTF4C1GOivCQ==",
+      "requires": {
+        "@babel/runtime": "^7.3.1"
+      }
+    },
     "rimraf": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
diff --git a/package.json b/package.json
index ce86769..c7fc894 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "express": "^4.17.1",
     "final-form": "^4.19.1",
     "final-form-arrays": "^3.0.2",
-    "immer": "^6.0.1",
+    "immer": "^8.0.1",
     "isomorphic-unfetch": "^3.0.0",
     "material-ui": "^0.20.2",
     "mui-rff": "^2.1.5",
diff --git a/yarn.lock b/yarn.lock
index 6cb1f69..1b0eaf3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3380,10 +3380,10 @@ ignore-loader@0.1.2:
   resolved "https://registry.yarnpkg.com/ignore-loader/-/ignore-loader-0.1.2.tgz#d81f240376d0ba4f0d778972c3ad25874117a463"
   integrity sha1-2B8kA3bQuk8Nd4lyw60lh0EXpGM=
 
-immer@^6.0.1:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-6.0.3.tgz#94d5051cd724668160a900d66d85ec02816f29bd"
-  integrity sha512-12VvNrfSrXZdm/BJgi/KDW2soq5freVSf3I1+4CLunUM8mAGx2/0Njy0xBVzi5zewQZiwM7z1/1T+8VaI7NkmQ==
+immer@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.1.tgz#9c73db683e2b3975c424fb0572af5889877ae656"
+  integrity sha512-aqXhGP7//Gui2+UrEtvxZxSquQVXTpZ7KDxfCcKAF3Vysvw0CViVaW9RZ1j1xlIYqaaaipBoqdqeibkc18PNvA==
 
 import-cwd@^2.0.0:
   version "2.1.0"