The curve approximation will return the maximum error.
Removed the Side datatype.
findRadius will exclude endpoints.
Replaced some vector operations with an operator.
Added bezier intersection using bezier clipping (untested).
Added intersection module to export list.
Some bug fixes in bezierIntersection.
Added show instances and a extra eps parameter for approximations.
Fixed bezierIntersection by calculating the correct bezier subsegment.
Documentation for bezierIntersection.