Yikes! We are very busy, but we still respond to requests like that within a couple of hours usually, and a lot of times faster. It sounds like the gmail spam filter ate your email for whatever reason. Can you email me directly at chrispark7 at gmail dot com, and I'll get you sorted out with what you need -- just let me know which expansions, and if you'd prefer steam keys or drm free links or whatever.
Sorry about that, and thanks for your support! If you (or anybody else who ever happens to read this) don't get a prompt response in the future (within one business day), please do feel free to email me directly.