Some pens that are needed during glyph math

Classes
		robofab.pens.pointPen.AbstractPointPen CurveSegmentFilterPointPen GetMathDataPointPen   class CurveSegmentFilterPointPen(robofab.pens.pointPen.AbstractPointPen)     Point pen that turns curve segments that contain unnecessary anchor points into line segments.     Methods defined here: __init__(self, anotherPointPen) addComponent(self, baseGlyphName, transformation) addPoint(self, pt, segmentType=None, smooth=False, name=None, **kwargs) beginPath(self) endPath(self)   class GetMathDataPointPen(robofab.pens.pointPen.AbstractPointPen)     Point pen that converts all "line" segments into curve segments containing two off curve points.     Methods defined here: __init__(self) addComponent(self, baseGlyphName, transformation) addPoint(self, pt, segmentType=None, smooth=False, name=None, **kwargs) beginPath(self) endPath(self) getData(self)