refactor: parse options with multiple = in cli

There was a case with the hashed-password which had multiple equal signs in the
value and it wasn't being parsed correctly. This uses a new function and adds a
few tests.

package.json

@@ -36,7 +36,6 @@
   "main": "out/node/entry.js",
   "devDependencies": {
     "@schemastore/package": "^0.0.6",
-    "@types/bcrypt": "^5.0.0",
     "@types/body-parser": "^1.19.0",
     "@types/compression": "^1.7.0",
     "@types/cookie-parser": "^1.4.2",
@@ -90,7 +89,6 @@
   "dependencies": {
     "@coder/logger": "1.1.16",
     "argon2": "^0.28.0",
-    "bcrypt": "^5.0.1",
     "body-parser": "^1.19.0",
     "compression": "^1.7.4",
     "cookie-parser": "^1.4.5",