Canvas widget added
Variable tube radii
Proper shaving of throats. Probably does not belong in graphics
Isolated logic from tube rendering
Added midpoint and span properties
Added "directed" check option for Delaunay
Allow 2D Bridson
Tentative geometry module
Reorganized and modularized geometry
Updating some boilerplate
Full fledged Bridson
Bridson-related bugfixing (double angle issue)
Laplacian generator more generally available