update required libraries

package.json

@@ -4,22 +4,22 @@
   "private": true,
   "dependencies": {
     "@types/async-lock": "^1.1.2",
-    "@types/jest": "25.2.1",
+    "@types/jest": "25.2.3",
     "@types/lokijs": "^1.5.3",
-    "@types/node": "13.13.4",
-    "@types/react": "16.9.34",
-    "@types/react-dom": "16.9.7",
-    "@types/react-helmet": "^5.0.15",
+    "@types/node": "14.0.5",
+    "@types/react": "16.9.35",
+    "@types/react-dom": "16.9.8",
+    "@types/react-helmet": "^6.0.0",
     "@types/react-html-parser": "^2.0.1",
     "@types/react-overlays": "^1.1.3",
     "@types/react-router-dom": "^5.1.5",
     "@types/react-router-hash-link": "^1.2.1",
     "@types/xregexp": "^4.3.0",
-    "async-lock": "^1.2.2",
+    "async-lock": "^1.2.4",
     "axios": "^0.19.2",
     "lokijs": "^1.5.8",
-    "moment": "^2.24.0",
-    "rc-tree": "^3.1.6",
+    "moment": "^2.26.0",
+    "rc-tree": "^3.2.2",
     "react": "^16.13.1",
     "react-app-polyfill": "^1.0.6",
     "react-cookie": "^4.0.3",
@@ -28,12 +28,12 @@
     "react-helmet": "^6.0.0",
     "react-html-parser": "^2.0.2",
     "react-image-lightbox": "^5.1.1",
-    "react-overlays": "^3.1.3",
-    "react-router-dom": "^5.1.2",
+    "react-overlays": "^3.2.0",
+    "react-router-dom": "^5.2.0",
     "react-router-hash-link": "^1.2.2",
     "react-scripts": "3.4.1",
     "react-spinner-material": "^1.3.1",
-    "typescript": "3.8.3",
+    "typescript": "3.9.3",
     "xregexp": "^4.3.0"
   },
   "scripts": {

src/pico/PicoCategory.tsx

@@ -35,12 +35,12 @@ const PicoCategory = (props: Props) => {
                     {parentCategories.map((parentCategory: PicoCategoryData, idx: number) => {
                         return (
                             <Fragment key={parentCategory.id}>
-                                {idx > 0 && <>&nbsp;>&nbsp;</>}
+                                {idx > 0 && <>&nbsp;&gt;&nbsp;</>}
                                 <Link key={parentCategory.id} to={context.getUrl(parentCategory.link)}>{Functions.mlang(parentCategory.title, lang)}</Link>
                             </Fragment>
                         );
                     })}
-                    {parentCategories.length > 0 && <>&nbsp;>&nbsp;</>}
+                    {parentCategories.length > 0 && <>&nbsp;&gt;&nbsp;</>}
                     {Functions.mlang(category.title, lang)}
                 </div>
             )}

src/pico/PicoContent.tsx

@@ -90,12 +90,12 @@ class PicoContent extends Component<Props, State> {
                         {categories.map((category: PicoCategoryData, idx: number) => {
                             return (
                                 <Fragment key={category.id}>
-                                    {idx > 0 && <>&nbsp;>&nbsp;</>}
+                                    {idx > 0 && <>&nbsp;&gt;&nbsp;</>}
                                     <Link key={category.id} to={context.getUrl(category.link)}>{Functions.mlang(category.title, lang)}</Link>
                                 </Fragment>
                             );
                         })}
-                        &nbsp;>&nbsp;{Functions.mlang(page.title, lang)}
+                        &nbsp;&gt;&nbsp;{Functions.mlang(page.title, lang)}
                     </div>
                 )}
                 <div id="top_of_pico_body" className="pico_body">