Changed kernel in cgal.py to `CGAL::Simple_cartesian<CGAL::Gmpq>`
to get rid of compilation errors.
0.16 - Design svg now shows where the sound comes out.
(Mostly not from the end of the instrument,
flared ends are largely decorative!)
Added --tweak-emission flag, but it doesn't work.
Add pentatonic_flute.py example.
0.15 - Refinements to three hole whistle.
0.14 - Fix optimizer bug -- could halt early.
Refinements to folk whistle.
0.13 - Refinements to flutes.
0.12 - Added more example scripts.
Allow stepped bores.
0.11 - Taper amount is now a parameter for flutes.
0.10 - OS X support, hopefully.
0.9 - Improved recorder design, and improved tuning of whistles.
Added "tune:" tool.
0.8 - Refined three-hole pipe.
Added some actual documentation to README.
0.7 - Added recorder and three-hole pipe.
Added weld and tapered joins.