Why build this when Dynamo, Weber, and Phoenix exist with growing communities? While these projects are great in their own right, Sugar aims to be another contender, sparking more development on all three projects (and/or others that may follow) and giving developers another option when deciding what framework fits their needs best. Sugar may even strive to shake things up just as ChicagoBoss has done. Tells Sugar which module to use as a router. This module should implement Sugar.Router, and should have at least one route defined. This is required.