adding support for #NULL! which shows up in Excel files, improving handling on varchars being converted to numeric types to avoid unnecessary SQL errors
adding support for #NULL! which shows up in Excel files, improving handling on varchars being converted to numeric types to avoid unnecessary SQL errors

BenKucenski/QuickDRY,BenKucenski/QuickDRY,BenKucenski/QuickDRY,BenKucenski/QuickDRY