- 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/public/SculptData.ts

@@ -23,4 +23,10 @@ export class SculptData
         this.texture.writeToBuffer(buf, pos); pos = pos + 16;
         buf.writeUInt8(this.type, pos);
     }
+    getBuffer(): Buffer
+    {
+        const buf = Buffer.allocUnsafe(17);
+        this.writeToBuffer(buf, 0);
+        return buf;
+    }
 }