I can't speak for HPC's software, but Instacode has a large number of Master combo lock codes, as does Codes On Line, etc etc. There's a lot of software out there. Like I said, though, if the lock is fairly recent there's a very good chance it won't be in there.
Rodfather: it's very easy to narrow down a Master combo lock's possible combinations and spend 15 minutes figuring it out. Even easier on older ones, probably like the one you have. Combo lock "manipulation" technically isn't supposed to discussed in open forums, though, so I guess that's all I'll say. (Maybe there's an exception for Master locks since it's such a commonly-known method. I'd be happy to explain it if a mod gives the OK, but until then, the rules are the rules...)