11866759 - Update Imports To Handle Multiline Data
All imports that have columns that support multiline data (i.e. comments, notes, item/webcategory long description, etc.) will now support properly formatted CSVs with multiline data.
UPGRADE NOTES: This breaks some backward compatibility with older imports. In our original imports, the instructions were on the column name line (i.e. Taxable (Y|N). While our current import process does not show this in the example (this information was moved to other rows in the sample file), it would still support it being there. This update removes that support; column names will need to match the example file exactly.