Improve the way dynamic dependencies work

Properly verify the version without using hacks. Allows mc to ensure exact versions are installed. Also added otplib as a normal dependency.

package.json

@@ -38,11 +38,11 @@
     "express-handlebars": "^3.1.0",
     "express-ws": "^4.0.0",
     "ipcheck": "^0.1.0",
-    "meshcentral": "*",
     "minimist": "^1.2.0",
     "multiparty": "^4.2.1",
     "nedb": "^1.8.0",
     "node-forge": "^0.8.4",
+    "otplib": "^12.0.1",
     "ws": "^6.2.1",
     "xmldom": "^0.1.27",
     "yauzl": "^2.10.0"