Decompress file example / instructions

[David-OConnor]

Could use an example on how to extract a .tar.gz archive file. As far as I can tell, the examples are only for vecs of bytes, and strings. Assuming this is a capability of the lib.

[David-OConnor]

Found the answer in this guide. I think it's worth a link/quote, or something in the examples folder.

[jwmurray]

Found the answer in this guide. I think it's worth a link/quote, or something in the examples folder.

This reference would be even more helpful in the README or from the main documentation block. (Fantastic library!)