diff --git a/package-lock.json b/package-lock.json
index ec4a2bc..276eb56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,6 @@
       "version": "0.1.0",
       "license": "LGPL-3.0",
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         "backbone": "^1.4.0",
         "coffeeify": "^3.0.1",
         "coffeescript": "^2.3.2",
@@ -27,7 +26,6 @@
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         "file-saver": "^2.0.0",
         "font-awesome": "^4.7.0",
-        "global-cache": "^1.2.1",
         "jquery": "^3.4.0",
         "jquery-resizable-dom": "^0.32.0",
         "jstree": "^3.3.8",
@@ -50,11 +48,14 @@
         "tippy.js": "^3.4.1",
         "uid-safe": "^2.1.5",
         "underscore": "^1.9.1",
+        "util-promisifyall": "^1.0.6",
         "uws": "^10.148.1",
         "w3-css": "^4.1.0"
       },
       "devDependencies": {
+        "connect-timeout": "^1.9.0",
         "findit": "^2.0.0",
+        "line-reader-sync": "^0.1.0",
         "node-fetch": "^2.6.7",
         "qunitjs": "^2.4.1",
         "uuid": "^8.3.2"
@@ -306,11 +307,6 @@
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       "license": "MIT"
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-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/async-lock/-/async-lock-1.3.1.tgz",
-      "integrity": "sha512-zK7xap9UnttfbE23JmcrNIyueAn6jWshihJqA33U/hEnKprF/lVGBDsBv/bqLm2YMMl1DnpHhUY044eA0t1TUw=="
-    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "license": "MIT"
@@ -430,6 +426,15 @@
         "tweetnacl": "^0.14.3"
       }
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+    "node_modules/bigbuffer": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/bigbuffer/-/bigbuffer-0.0.5.tgz",
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+      "dev": true,
+      "dependencies": {
+        "should": "*"
+      }
+    },
     "node_modules/binary-extensions": {
       "version": "2.2.0",
       "license": "MIT",
@@ -893,6 +898,20 @@
         "node": ">=0.10.0"
       }
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+    "node_modules/coffee-script": {
+      "version": "1.12.7",
+      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.7.tgz",
+      "integrity": "sha512-fLeEhqwymYat/MpTPUjSKHVYYl0ec2mOyALEMLmzr5i1isuG+6jfI2j2d5oBO3VIzgUXgBVIcOT9uH1TFxBckw==",
+      "deprecated": "CoffeeScript on NPM has moved to \"coffeescript\" (no hyphen)",
+      "dev": true,
+      "bin": {
+        "cake": "bin/cake",
+        "coffee": "bin/coffee"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
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     "node_modules/coffeeify": {
       "version": "3.0.1",
       "license": "MIT",
@@ -1070,6 +1089,48 @@
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       }
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+      "resolved": "https://registry.npmjs.org/connect-timeout/-/connect-timeout-1.9.0.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "ms": "2.0.0",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.0.1"
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+    "node_modules/connect-timeout/node_modules/http-errors": {
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+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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+      "dependencies": {
+        "depd": "~1.1.2",
+        "inherits": "2.0.3",
+        "setprototypeof": "1.1.0",
+        "statuses": ">= 1.4.0 < 2"
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+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
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+      "dev": true
+    },
+    "node_modules/connect-timeout/node_modules/setprototypeof": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
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+      "dev": true
+    },
     "node_modules/console-browserify": {
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@@ -2476,18 +2537,6 @@
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@@ -3300,7 +3349,9 @@
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-      "version": "0.2.3"
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.4.0.tgz",
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@@ -3350,16 +3401,17 @@
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     "node_modules/jsprim": {
-      "version": "1.4.1",
-      "engines": [
-        "node >=0.6.0"
-      ],
-      "license": "MIT",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
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         "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
+        "json-schema": "0.4.0",
         "verror": "1.10.0"
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+        "node": ">=0.6.0"
       }
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     "node_modules/jstree": {
@@ -3406,6 +3458,16 @@
         "node": ">=6"
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+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/line-reader-sync/-/line-reader-sync-0.1.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "bigbuffer": "*",
+        "coffee-script": "*"
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       "version": "4.0.0",
       "license": "MIT",
@@ -5992,6 +6054,60 @@
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       "license": "MIT"
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+      "version": "13.2.3",
+      "resolved": "https://registry.npmjs.org/should/-/should-13.2.3.tgz",
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+        "should-format": "^3.0.3",
+        "should-type": "^1.4.0",
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+        "should-util": "^1.0.0"
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+    "node_modules/should-equal": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/should-equal/-/should-equal-2.0.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "should-type": "^1.4.0"
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+    "node_modules/should-format": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/should-format/-/should-format-3.0.3.tgz",
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+      "dependencies": {
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+        "should-type-adaptors": "^1.0.1"
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+      "resolved": "https://registry.npmjs.org/should-type/-/should-type-1.4.0.tgz",
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+      "dev": true
+    },
+    "node_modules/should-type-adaptors": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/should-type-adaptors/-/should-type-adaptors-1.1.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "should-type": "^1.3.0",
+        "should-util": "^1.0.0"
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+    "node_modules/should-util": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/should-util/-/should-util-1.0.1.tgz",
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     "node_modules/side-channel": {
       "version": "1.0.4",
       "license": "MIT",
@@ -6750,6 +6866,11 @@
       "version": "1.0.2",
       "license": "MIT"
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+      "resolved": "https://registry.npmjs.org/util-promisifyall/-/util-promisifyall-1.0.6.tgz",
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     "node_modules/util/node_modules/inherits": {
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@@ -7329,11 +7450,6 @@
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@@ -7404,6 +7520,15 @@
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       }
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+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/bigbuffer/-/bigbuffer-0.0.5.tgz",
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+      "requires": {
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     },
@@ -7745,6 +7870,12 @@
     "code-point-at": {
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+      "version": "1.12.7",
+      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.7.tgz",
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+      "dev": true
+    },
     "coffeeify": {
       "version": "3.0.1",
       "requires": {
@@ -7872,6 +8003,44 @@
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+      "resolved": "https://registry.npmjs.org/connect-timeout/-/connect-timeout-1.9.0.tgz",
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+      "dev": true,
+      "requires": {
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+        "ms": "2.0.0",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.0.1"
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+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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+          "dev": true,
+          "requires": {
+            "depd": "~1.1.2",
+            "inherits": "2.0.3",
+            "setprototypeof": "1.1.0",
+            "statuses": ">= 1.4.0 < 2"
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+        "inherits": {
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+          "integrity": "sha512-x00IRNXNy63jwGkJmzPigoySHbaqpNuzKbBOmzK+g2OdZpQ9w+sxCN+VSB3ja7IAge2OP2qpfxTjeNcyjmW1uw==",
+          "dev": true
+        },
+        "setprototypeof": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
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+          "dev": true
+        }
+      }
+    },
     "console-browserify": {
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@@ -8830,15 +8999,6 @@
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       "dev": true,
@@ -9323,7 +9483,9 @@
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-      "version": "0.2.3"
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.4.0.tgz",
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@@ -9357,11 +9519,13 @@
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-      "version": "1.4.1",
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+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
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         "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
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@@ -9394,6 +9558,16 @@
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+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/line-reader-sync/-/line-reader-sync-0.1.0.tgz",
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+      "dev": true,
+      "requires": {
+        "bigbuffer": "*",
+        "coffee-script": "*"
+      }
+    },
     "load-json-file": {
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       "requires": {
@@ -11126,6 +11300,60 @@
     "shell-quote": {
       "version": "1.7.2"
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+      "resolved": "https://registry.npmjs.org/should/-/should-13.2.3.tgz",
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+      "dev": true,
+      "requires": {
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+        "should-format": "^3.0.3",
+        "should-type": "^1.4.0",
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/should-equal/-/should-equal-2.0.0.tgz",
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+      "dev": true,
+      "requires": {
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+    "should-format": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/should-format/-/should-format-3.0.3.tgz",
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+      "dev": true,
+      "requires": {
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+        "should-type-adaptors": "^1.0.1"
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+    "should-type-adaptors": {
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+      "dev": true,
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+        "should-util": "^1.0.0"
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+    "should-util": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/should-util/-/should-util-1.0.1.tgz",
+      "integrity": "sha512-oXF8tfxx5cDk8r2kYqlkUJzZpDBqVY/II2WhvU0n9Y3XYvAYRmeaf1PvvIvTgPnv4KJ+ES5M0PyDq5Jp+Ygy2g==",
+      "dev": true
+    },
     "side-channel": {
       "version": "1.0.4",
       "requires": {
@@ -11639,6 +11867,11 @@
     "util-deprecate": {
       "version": "1.0.2"
     },
+    "util-promisifyall": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/util-promisifyall/-/util-promisifyall-1.0.6.tgz",
+      "integrity": "sha512-l+o62sbaqStC1xt7oEhlafC4jWBgkOjBXvlPwxkvOYmNqpY8dNXuKdOa+VHjkYz2Fw98e0HvJtNKUg0+6hfP2w=="
+    },
     "utils-merge": {
       "version": "1.0.1"
     },