Improve python library, add LLGLTF asset parser, Add tests

package.json

@@ -1,13 +1,13 @@
 {
   "name": "@caspertech/node-metaverse",
-  "version": "0.6.2",
+  "version": "0.6.4",
   "description": "A node.js interface for Second Life.",
   "main": "dist/lib/index.js",
   "types": "dist/lib/index.d.ts",
   "scripts": {
     "setup": "npm install",
     "prepublish": "npm run build",
-    "test-only": "mocha -r source-map-support/register dist/lib/tests/",
+    "test-only": "mocha -r source-map-support/register 'dist/**/*.spec.js'",
     "pretest": "npm run build",
     "test": "npm run test-only",
     "build": "tsc --removeComments",