AUTHORS in ruby-graphviz-0.9.7 vs AUTHORS in ruby-graphviz-0.9.8

@@ -2,9 +2,11 @@
 Brandon Coleman <[e-mail]>
 Dave Burt <http://github.com/dburt>
 Miguel Cabrera <http://mfcabrera.com>
 obruening <http://github.com/obruening>
 reactive <http://github.com/reactive>
+Hugh Sasse <[e-mail]>
+axgle <http://github.com/axgle>
 
 Thanks to :
 
 Desmond Dsouza - Windows tests and corrections