CADSTAR PCB Fixes
- Add some qa tests to EDA_ANGLE::Normalize functions (TODO: do we want to unify the ranges?)
- Add new EDA_ANGLE::NormalizeNegative to allow representing negative angles
- Fix CADSTAR importer handling of anticlockwise arcs Fixes #13626 (closed)
- Ensure we don't create zero sized text items in CADSTAR importer (partially addresses #13693 (closed))
Edited by Roberto Fernandez Bautista