URL	Title	Id
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_part1_stages_in_stellar_evolution.html	Chapter 1. Stages in Stellar Evolution	514134d1b11c0fa01a000002
http://digfir-published.macmillanusa.com/astro_interactive_exercise/ie_part1_stages_in_stellar_evolution_dlap.xml	DLAP questions	514134d1b11c0fa01a000002