Who is Arachne from Goddesses in Everywoman: A New Psychology of Women and what is their importance?

Arachne is a mortal woman. She could compete at weaving with anyone, and there is even a story in which she weaves a tapestry equal in workmanship to the goddess's but inferior in subject matter. She uses romantic imagery about Athena's father Zeus and is turned into a spider by Athena because of it.