A few months ago I released a rough first version of an ASP.NET control to display text-links served by LinkLift. Since then the control became the "de-facto" official control for ASP.NET (Italian, German, French and Spanish). Today I found quite a subtle bug that never showed up before (since I never really had the control on my site for more than a few hour): I used the FileSystemInfo.CreationTime to keep track of the last time the local copy of the XML was saved. But the CreationTime is the first time the file was saved, because all the subsequent saves are...