Fixed spline drawer changes caused crash.
Merge branch 'master' into fabian
More working gui.
Merge branch 'fabian'
Merge branch 'master' into fabian
Genetic bowl creation.
Merge branch 'fabian'
Merge branch 'master' of https://github.com/zypus/CAD
Merge branch 'master' of https://github.com/zypus/CAD
Working cubic spline.