Code review: 77050046:  Fix dateutil error handling in StringToDatetime
Code review: 77050046:  Fix dateutil error handling in StringToDatetime

kiddinn/plaso,rgayon/plaso,Onager/plaso,log2timeline/plaso,Onager/plaso,joachimmetz/plaso,rgayon/plaso,kiddinn/plaso,rgayon/plaso,joachimmetz/plaso,log2timeline/plaso,kiddinn/plaso