diff --git a/package-lock.json b/package-lock.json
index f060ba5..6ad2e4b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "js44d",
-  "version": "1.2.56",
+  "version": "1.2.57",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "js44d",
-      "version": "1.2.56",
+      "version": "1.2.57",
       "license": "MIT",
       "devDependencies": {
         "@angular-devkit/build-angular": "^12.1.4",
@@ -34,7 +34,7 @@
         "karma-jasmine-html-reporter": "^1.7.0",
         "ng-packagr": "^12.1.2",
         "protractor": "~7.0.0",
-        "rxjs": "^6.5.3",
+        "rxjs": "^6.6.7",
         "ts-node": "^10.1.0",
         "tslib": "^2.3.0",
         "tslint": "~6.1.3",
@@ -8448,15 +8448,15 @@
       }
     },
     "node_modules/jszip": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.7.0.tgz",
-      "integrity": "sha512-Y2OlFIzrDOPWUnpU0LORIcDn2xN7rC9yKffFM/7pGhQuhO+SUhfm2trkJ/S5amjFvem0Y+1EALz/MEPkvHXVNw==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+      "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
       "dev": true,
       "dependencies": {
         "lie": "~3.3.0",
         "pako": "~1.0.2",
         "readable-stream": "~2.3.6",
-        "set-immediate-shim": "~1.0.1"
+        "setimmediate": "^1.0.5"
       }
     },
     "node_modules/jszip/node_modules/readable-stream": {
@@ -14352,15 +14352,6 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
-    "node_modules/set-immediate-shim": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
-      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/set-value": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
@@ -14397,6 +14388,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/setimmediate": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+      "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==",
+      "dev": true
+    },
     "node_modules/setprototypeof": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
@@ -24165,15 +24162,15 @@
       }
     },
     "jszip": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.7.0.tgz",
-      "integrity": "sha512-Y2OlFIzrDOPWUnpU0LORIcDn2xN7rC9yKffFM/7pGhQuhO+SUhfm2trkJ/S5amjFvem0Y+1EALz/MEPkvHXVNw==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+      "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
       "dev": true,
       "requires": {
         "lie": "~3.3.0",
         "pako": "~1.0.2",
         "readable-stream": "~2.3.6",
-        "set-immediate-shim": "~1.0.1"
+        "setimmediate": "^1.0.5"
       },
       "dependencies": {
         "readable-stream": {
@@ -28587,12 +28584,6 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
-    "set-immediate-shim": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
-      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
-      "dev": true
-    },
     "set-value": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
@@ -28622,6 +28613,12 @@
         }
       }
     },
+    "setimmediate": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+      "integrity": "sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==",
+      "dev": true
+    },
     "setprototypeof": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",