v1.5.2

What's Changed

• Add next invoice number parameter to billing CSV export by @guillaumep in #159
• Fix billing CSV export always containing last month data by @guillaumep in #163
• Sort billing .csv export by payment method, last name, first name (#164) by @guillaumep in #165
• Add billing rate type to client CSV export (#166) by @guillaumep in #167
• Billing type -> Rate type by @guillaumep in #168

Full Changelog: v1.5.0...v1.5.2