NukeCops - Original Download Module with Upload Feature v 1.0

I was looking for an upload module that can manage downloads and uploads, so I decided to modify the original download module.
The users can upload files, and the admin has to accept them, in the same way of the original module.
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Features:
works on the original download module
no download database rebuild needed
upload on existent categories
fixed original module subcategories viewing in add file section
admin can enable/disable upload feature
uploads are sorted in folders, reflecting categories
folders are created when at the first upload in that category
Tested on phpnuke 6.5 but it can work also in other versions