Merge branch 'master' into unstable

package.json

@@ -22,7 +22,7 @@
     "node": ">=10.15.1"
   },
   "dependencies": {
-    "apidoc": "^0.18.0",
+    "apidoc": "^0.20.0",
     "@chris.troutner/bch-js": "^2.0.0",
     "axios": "^0.19.0",
     "body-parser": "^1.18.3",
@@ -35,8 +35,8 @@
     "express-rate-limit": "^5.0.0",
     "helmet": "^3.21.2",
     "level": "^6.0.0",
-    "mkdirp": "^0.5.1",
-    "mocha": "^6.1.4",
+    "mkdirp": "^1.0.0",
+    "mocha": "^7.0.1",
     "morgan": "^1.9.1",
     "mqtt": "^3.0.0",
     "passport": "^0.4.0",