Adding xlrd library

Fixes #111 (closed)

requested review from @ydayer

assigned to @flavio.tarsetti

ping @smichel

approved this merge request

enabled an automatic merge when the pipeline for c6532d05 succeeds

Thank you for the addition.

canceled the automatic merge

Wait, couldn't we use pandas read_excel function instead?

unapproved this merge request

Good remark. Is that ok for your @smichel ?

Ok. Apparently, pandas needs xlrd to read xls files anyway.

merged

mentioned in commit e71314af