Update readme to pr #451

Add missing property to FoldWall UI.

Update readme to pr #451

Add missing property to FoldWall UI.

Update readme to fixed issues #444 and #447 and #449

fix kfactor standard not used correctly. issue #444

Fix networkx detection, issue #443, and update readme to PR #442

New Unfolder compatibility with FC0.21 and LS3. Pr #437, #438, #439

Integrate new sheetmetal unfolder and update readme to PRs #430, #432, …

…#433 and #435

AddBase: Fix wrong shading on LinkStage. Issue: #428

AddBase: Sketch remain visible while task UI is open. Feature #421

Reinstate unfold unattended command. Issue #426