Add idno for contribution, now updating will be much easier
Finish DAO, period
fix DAO a little bit: change private methods name to match its implementation. Displaying gift in giftViewController
Put everything into one Navigation controller stack. Now a problem arise: bar button are being called from the navigation controller, not from each view controller. Thus unwinding segues are never called. Fixing. Sorry to myself I BROKE THE BUILD. but I will fix it tonight or tomorrow morning.