Add CHANGELOG script

CONTRIBUTORS

@@ -2,15 +2,19 @@ Abhinav Adduri
 Alexander Slovesnik
 Amin Mahmudian
 Andreas Pettersson
+Arash Mousavi
 Balázs Meskó
+Belayet Hossain
 Bjørn I
 Boopesh Mahendran
 Chuck Harmston
+Cláudio Esperança
 Cynthia Pereira
 Daniel Thorn
 Daniela Arcese
 Danny Coates
 Emin Mastizada
+Enol
 Erica
 Erica Wright
 Fjoerfoks
@@ -18,9 +22,13 @@ Francesco Lodolo
 Francesco Lodolo [:flod]
 Gautam krishna.R
 Håvar Henriksen
+Jae Hyeon Park
+Jakub Rychlý
+Jamie
 Jim Spentzos
 Johann-S
 John Gruen
+Jon Vadillo
 Jordi Serratosa
 Juraj Cigáň
 Kohei Yoshino
@@ -48,12 +56,14 @@ Rok Žerdin
 Sahithi
 Sairam Raavi
 Sandro
+Schieck :)
 Selim Şumlu
 Slimane Amiri
 Théo Chevalier
 Tomáš Zelina
 Ton
 Tymur Faradzhev
+Varghese Thomas
 Victor Bychek
 Weihang Lo
 Wil Clouser
@@ -69,10 +79,14 @@ erdem cobanoglu
 gautamkrishnar
 goofy
 hi
+jesferman1993
+josotrix
 kenrick95
 manxmensch
 ravmn
+reza.habibi2008
 siparon
+skystar-p
 xcffl
 Μιχάλης
 Марко Костић (Marko Kostić)