Release Notes v2.7.1

• When importing or creating new parts, check for part duplicates that aren't of type outsourced. While outsourced parts are considered unique given its Part Number + Manufacturer pair, other types are checked for uniqueness though its Part Number only (case-sensitive)
• When importing parts, data for existing parts can be ignored
• [fix] Error on exporting tables into CSV
• [fix] Not being able to clear an option (custom fields)