ZKL UnitSync.cs: major optimization. 5min -> 10sec unitsync (for me)

It used to take 2 min to identify ModName from an archive (downloaded file) because it retrieve all archive data while it should've escaped a loop when a match was found.
Merge pull request #3 from xponen/master

UnitSync.cs (ZKL, maybe Autoregistrator): major optimization. 5min -> 10sec unitsync (for me)