[aur-general] Wrote Small AUR Helper

I wrote a little AUR helper in C++, though currently it only downloads the tarball if the package name is valid. I am new to C++ and wanted to know if you thought the code was good. I was thinking about putting it in AUR, but figured I would asked for opinion first. Here is the url for the code: http://pastebin.com/aSW1awD4