Unzip now "simply" checks for pdfs.
Unzip now "simply" checks for pdfs.

firebitsbr/memex-explorer,kod3r/memex-explorer,YongchaoShang/memex-explorer,memex-explorer/memex-explorer,firebitsbr/memex-explorer,firebitsbr/memex-explorer,kod3r/memex-explorer,YongchaoShang/memex-explorer,memex-explorer/memex-explorer,firebitsbr/memex-explorer,memex-explorer/memex-explorer,YongchaoShang/memex-explorer,memex-explorer/memex-explorer,kod3r/memex-explorer,YongchaoShang/memex-explorer,kod3r/memex-explorer