Basecore2d GraphicsContexts starts subpaths when it shouldn't

[corranwebster]

This causes issues like the following in the benchmarks (SVG backend):

The shape should look more like:

The cause would seem to be that the get_subpath_points function doesn't correctly handle situations where multiple points are added at once in an array after the first point:

enable/kiva/basecore2d.py

Lines 1240 to 1256 in 7ba4c71

	def get_subpath_points(self, debug=0):
	""" Gets the points that are in the current path.
	The first entry in the draw_points list may actually
	be an array. If this is true, the other points are
	converted to an array and concatenated with the first
	"""
	if self.draw_points and len(shape(self.draw_points[0])) > 1:
	first_points = self.draw_points[0]
	other_points = asarray(self.draw_points[1:])
	if len(other_points):
	pts = concatenate((first_points, other_points), 0)
	else:
	pts = first_points
	else:
	pts = asarray(self.draw_points)
	return pts