see http://www.asdfree.com/ for other usage and http://stackoverflow.com/questions/15853204/how-to-login-and-then-download-a-file-from-aspx-web-pages-with-r
get.psid(file, name, params, curl)
string psid file number
string of filename on disc
postFormRCurl curl handle
Anthony Damico <email@example.com>
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