Download using the URL from the given mapping file

[jsvgoncalves]

Given the (activityName, Geography, referenceProduct) tuple, get the URL from the excel file.

Files are:

LCI
LCIA
PDF
UPR

[jsvgoncalves]

# eidl.set_version('<spdx-string>')
eidl.get_pdf('<spdx-string>', activityName, geography, referenceProduct)

or scripting:

$ eidl get_pdf <spdx-string> <activityName> <geography> <referenceProduct>

[jsvgoncalves]

Tokenize the spdx string, then use that to get the correct filename.