LWCAD 2020 new features

New Features: 

• updated to fully support R23-R24

• huge speed optimization

• full support of Cinema ngons

• modify and edit tools recognizing cinema polygon selection

• UCS system streamlined, easier and faster to use

• Auto parent (auto-link) system  streamlined, easier and faster to use

• new OGL for snapping, ucs, auto linking and RT booleans

• custom materials for archviz primitives (Wall,Floor,Railing,Stair, Roofs ... )

• tons of bugs fixed