1bdfb805ab
the math appears to work out even though time stopped. We can use RunAnywhere.currentTimeMillis() which will warn if time goes backwards but since when that happens the IntervalManager stops dead in it's tracks, we'll never get ticked to find out about it. Fucking Windows. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2911 542714f4-19e9-0310-aa3c-eee0fc999fb1