Better documentation for Fan
Better documentation for Fan

Wallacoloo/printipi,Igor-Rast/printipi,harry159821/printipi,Wallacoloo/printipi,harry159821/printipi,Igor-Rast/printipi,Igor-Rast/printipi,harry159821/printipi,Wallacoloo/printipi,Igor-Rast/printipi,Wallacoloo/printipi,harry159821/printipi