docutils not always preinstalled.
gspread also in pip.
Create attendance directory if not exists.
Removed trailing space.
Nice to have message when finished.
Got authentication err when main pass required 2-step.
Gives err message when attendance folder does not exist.
Nive to have output when finished.
Accidentally committed a swap file.
Merge pull request #1 from benedicteb/master

Minor printout, dependency and path fixes.