italian provinces list correction & update

the list of italian provinces needs correction/update as follows:

NEW PROVINCES:
Carbonia - Iglesias CI
Olbia - Tempio OT
Medio Campidano VS
Ogliastra OG

CHANGED PROVINCES:
Forlì - Cesena FC (instead of Forlì FO)
Pesaro - Urbino PU (instead of Pesaro PS)

WRONG ABBREVIATION
Macerata MC (instead of SC)

data source URL : http://www.comuni-italiani.it/province.html