Failure on intersection in winding map

[jonathanolson]

Looks related to phetsims/geometric-optics#72

Reproduction:

const aShape = new kite.Shape( 'M 172.00000000000000000000 39.00000000000000000000 L 172.00000000000000000000 -51.00000000000000000000 L 225.00000000000000000000 -83.00000000000000000000 L 225.00000000000000000000 72.00000000000000000000 L 172.00000000000000000000 39.00000000000000000000 Z ' );
const bShape = new kite.Shape( 'M 239.85954693211317589885 9.90930831842961623579 A 79.71909386422636600855 39.85954693211318300428 450 0 1 160.14045306788682410115 9.90930831842964110479 A 79.71909386422636600855 39.85954693211318300428 450 0 1 239.85954693211317589885 9.90930831842959669586 Z ' );
aShape.shapeIntersection( bShape );