* Fix duplicated groups
* Fixed windows spaning several floors
* Fixing doorOrWindow positioning. Allowing to DEBUG_GEOMETRY
* Fixed default color for floor and ground
* Fixed some windows positioning issue
* Fixed invalid modification of wall array. Changed default window type to allow opening
* fixed some import failures. Added some new windows
* Fixed some more edge cases
* Use doc transaction. Fixed import of room based on self-intersecting polygon.
* Added default furniture color. Fixed wall reference face to fix slab creation
* Replace Debug setting by DebugGeometry
* Fixed corner cases when importing Door & Furniitures
* Fix emissive color and shininess
* Remove external package dependency
* Fixed furniture placement and transformation
* Make sure lights are properly imported
* Fixed duplicated camera and ground when merging
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