Close the file (if it's not already) during dealloc
Close the file (if it's not already) during dealloc

xmkevinchen/CHCSVParser,shabbirh/CHCSVParser,shabbirh/CHCSVParser,TimurD/CHCSVParser,mjasa/CHCSVParser,PhilJay/CHCSVParser,TimurD/CHCSVParser,mjasa/CHCSVParser