0.1.6.4 (vermadas fork)

Features added for glTF export

• Support for exporting sky.s3d (skybox assets).
• Added option to duplicate vertices for second triangle when two triangles with different winding orders share a set of vertices (Workaround for Blender limitation).
• Added experimental option to export skeletal object instances with their armatures and animations when exporting a zone.
• Added option to export zone with light instances.
• Added KHR_materials_specular extension and set specularFactor to 0 on materials. Improves look of models in certain viewers.
• When exporting zone with object instances, objects below a certain threshold on the vertical axis will be skipped.

Bugfixes

• Fix for intermediate export when initializing a WLD with a null injected WLD
• Fix non-character skeletal actors exporting mesh incorrectly
• Fix sarnak ghost foot not being exported correctly