Add missing author credits
diff --git a/AUTHORS b/AUTHORS
index 277c5c3..8e0a012 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -45,3 +45,8 @@
 Mario Limonciello <mario_limonciello@dell.com>
 Filippo Giunchedi <filippo@esaurito.net>
 Jaikumar Ganesh <jaikumar@google.com>
+Elvis Pfutzenreuter <epx@signove.com>
+Santiago Carot-Nemesio <scarot@libresoft.es>
+José Antonio Santos Cadenas <jcaden@libresoft.es>
+Francisco Alecrim <francisco.alecrim@openbossa.org>
+Daniel Orstadius <daniel.orstadius@gmail.com>