Over the last two days, the Austin lending market has changed dramatically for the worse. As the subprime lending crisis has evolved into a global problem—the bankruptcy of two large lenders seems to have tipped the scales — the market spotlight has turned a negative eye on every participant in the residential mortgage market. As the bad news has spread, lenders are dramatically cutting back on loans -- and rapidly raising rates at the same time.The market changes in Austin over the last 48 hours are dramatic:- A number of lenders, especially brand name lenders such as Wells . . .