Plinted, removed unused parametes.
Followed modifications of the reader API.
Removed unused import.
Removed unused fields for publication, plinted partially.
Removed unused fields.
Removed unused modules, added some docstrings.
Added corpus directory creation when calling init.
Added a rythm definition.
Corrected function call to follow_publication
Fixed Publication construction in follow_publication.
Default rythm set to daily.