prep 3.8.0 release

Author: halfbyte

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## 3.8.0
+
+This version introduces a change in the way quantities are handled in the line items to make it
+more standards compliant. The original `quantity` property will be removed in 4.0.0.
+
+- [FEATURE] Add `billed_quantity` and `basis_quantity` to be more spec compliant. PR by @ahmedm10
+- [FEATURE] Enable different tax reasons per tax. PR by @ahmedm10
+- [FEATURE] Add extra fields to support SEPA direct debit. PR by @ronald
+- [FEATURE] Add extra field to support buyer reference id. PR by @ronald
+- [FEATURE] Add extra field to support buyer person name. PR by @ronald
+
 ## 3.7.0
 
 - [FEATURE] Add ability to add BIC and payee name to help with Verification of Payee. PR by @tosch

CONTRIBUTORS.md

@@ -2,6 +2,8 @@
 
 This library has been originally developed by Jan @halfbyte Krutisch.
 
+Many thanks to the following contributors (in order of contribution)
+
 @zealot128 (Stefan Wienert) contributed a bunch of new fields on invoice and also helped keeping the specs up to date.
 
 @SubandiK (Subandi Khairun) added a more robust handling of tax rates and fixed bugs in the original code.
@@ -12,3 +14,7 @@ This library has been originally developed by Jan @halfbyte Krutisch.
 
 @corny (Julian Kornberger) added support for notes among other things.
 
+@ahmedm10 (Ahmed Abdulmajeed) fixed the line item quantities and enabled different tax reasons per tax
+
+@ronald (Mr. Ronald) added support for SEPA extra fields and more fields for buyer reference
+

lib/secretariat/version.rb

@@ -15,5 +15,5 @@
 =end
 
 module Secretariat
-  VERSION = "3.7.0"
+  VERSION = "3.8.0"
 end