Improve internal API

package.json

@@ -44,7 +44,6 @@
     "polka": "^0.4.0",
     "port-authority": "^1.0.5",
     "pretty-bytes": "^5.0.0",
-    "pretty-ms": "^3.1.0",
     "puppeteer": "^1.9.0",
     "require-relative": "^0.8.7",
     "rimraf": "^2.6.2",
@@ -61,7 +60,6 @@
     "sirv": "^0.2.2",
     "svelte": "^2.6.3",
     "svelte-loader": "^2.9.0",
-    "tiny-glob": "^0.2.2",
     "ts-node": "^7.0.1",
     "typescript": "^2.8.3",
     "webpack": "^4.8.3",