Unnecessary code (objects.active) caused error in Blender 2.83

Simplify roundToMultiple

Update README.md

Compatibility for branches 2.79

Compatible with 2.79 Release and 2.79 Stable Nightly builds.
ProgressReport change packedge

Update error exporting ascii

do not allow update to 1.9.0

increase version for release updater

correct transparency nodes order

Fix cycles nodes with emissive texture

Better disconnect twist bones

Update ver