Update AUTHORS.txt

cztomczak · cztomczak · commit 20061ae2d110 · 2016-03-03T08:54:39.000+01:00
diff --git a/AUTHORS.txt b/AUTHORS.txt
@@ -1,4 +1,7 @@
+Core developers:
 Czarek Tomczak <czarek.tomczak@@gmail.com>
+
+Contributors:
 老农 cjjer <cjjer@@59490.com>
 Richard Rodriguez <rich770@@gmail.com>
 Roman Plášil <me@@rplasil.name>
