2015.0.0.28

skip elements with null category in OnElementEnd as well

2015.0.0.27

skip elements with null category

2015.0.0.26

user setting enhancements

2015.0.0.25

added support for runtime reading of user settings and switch between indented JSON or not to optionally reduce file size

2015.0.0.24

added all six standard revit sample models

2015.0.0.23

added new models, theo confirmed it works, and added name property to materials

2015.0.0.22

added test models output with Object3D instead of Scene container but lacking colour

2015.0.0.21

replace top level json container Scene for Object3D

2015.0.0.20

fixed bug in SelectFile, need to determine full output path

2015.0.0.19

minor cleanup before removing scene definition