...Its only throttle is the speed of your PC and the space left on your hard drive. This thing is fast, simple and small. It even puts out how long it takes to generate the requested sets at the very bottom of "params.txt" (the output file).
Changelog:
v1.2: Added "Replace" feature, but very specific sets, when generated, will throw errors. I'll try to fix it. :P
v1.1: Fixed Depth bug.
v1.0: Initial Commit