Added --citations-only option. It prints all the articles that cite the queried one#83

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lucabaronti wants to merge 4 commits intockreibich:masterfrom lucabaronti:master

+42-5

Commits on Feb 25, 2017

Added --citations-only option. It prints all the articles that cite the queried one
lucabaronti
committed

Commits on Mar 2, 2017

Fixed the return of just one result if asked for a specific citation format
lucabaronti
committed

Commits on Apr 17, 2017