- Mesh upload support

- LLMesh asset decoding and encoding (inc. LLPhysicsConvex, LLSkin, LLSubMesh)
- Query inventory folder by type
- onSelectedObject event
- fetchInventoryItem command
- Fix packing/unpacking of object shape
- Time sync with SimulatorViewerTimeMessage
- Changed several classes to a .from style rather than setting up in the constructor (exception friendly)
- Whole bunch of other improvements
- Object building

lib/classes/Vector2.ts

@@ -65,4 +65,8 @@ export class Vector2 extends vec2
     {
         return '<' + this.x + ', ' + this.y + '>';
     }
+    toArray()
+    {
+        return [this.x, this.y];
+    }
 }