Being part of a co-housing project is demanding under the best of circumstances.Would-be residents aren't just buying a home - they meet regularly and at length, working out the details of their community, and become well- acquainted neighbors in the process.But for the prospective residents of Wolf Creek Lodge, a 30-unit senior co-housing project under construction on Freeman Lane, the downturn in the economy meant being stranded without financing for the last two years."The project was agreed to by the banks, but at the last minute they pulled the funding," said prospective resident Dick Shannon."We didn't think it would take …