update .mailmap

.mailmap

@@ -27,6 +27,7 @@ Geir Sagberg <uffjohn@gmail.com> <geir.sagberg@gmail.com>
 Jamie Clarke <jamie@mystudylife.com> <jamie.clarke@virblue.com>
 
 Jeremy Kolb <jkolb@ara.com> <kjeremy@gmail.com>
+Jeremy Kolb <jkolb@ara.com> Jeremy A. Kolb
 
 Kerry W. Lothrop <kerry@lothrop.de> <kwl@zuehlke.com>
 
@@ -45,3 +46,13 @@ Maurits van Beusekom <maurits@vnbskm.nl> <mvanbeusekom@route2it.com>
 
 Nickolas Shpotenko <kolyashpotenko@gmail.com> <mshpotenko@gloriumtech.com>
 Nickolas Shpotenko <kolyashpotenko@gmail.com> <mshpotenko@youa.vn.ua>
+
+Benjamin Hysell <ben.hysell@gmail.com> benhysell
+
+Przemysław Raciborski <przemyslawraciborski@gmail.com> 
+
+Matthew Whetton <matthew.whetton@yahoo.co.uk> <matthewwhetton@MacBook-Pro.home>
+Matthew Whetton <matthew.whetton@yahoo.co.uk> <matthewwhetton@Matthews-MacBook-Pro.local>
+Matthew Whetton <matthew.whetton@yahoo.co.uk> Matt
+
+Benedikt Neuhold <benedikt.neuhold@live.at> <benschi11@users.noreply.github.com>