Update changelog and contributors

CONTRIBUTORS.md

@@ -14,6 +14,7 @@ Current Maintainer: [Max Bruckner](https://github.com/FSMaxB)
 * [Debora Grosse](https://github.com/DeboraG)
 * [dieyushi](https://github.com/dieyushi)
 * [Dōngwén Huáng (黄东文)](https://github.com/DongwenHuang)
+* [Donough Liu](https://github.com/ldm0)
 * Eswar Yaganti
 * [Evan Todd](https://github.com/etodd)
 * [Fabrice Fontaine](https://github.com/ffontaine)
@@ -34,12 +35,14 @@ Current Maintainer: [Max Bruckner](https://github.com/FSMaxB)
 * [Pawel Winogrodzki](https://github.com/PawelWMS)
 * [prefetchnta](https://github.com/prefetchnta)
 * [Rafael Leal Dias](https://github.com/rafaeldias)
+* [raiden00pl](https://github.com/raiden00pl)
 * [Robin Mallinson](https://github.com/rmallins)
 * [Rod Vagg](https://github.com/rvagg)
 * [Roland Meertens](https://github.com/rmeertens)
 * [Romain Porte](https://github.com/MicroJoe)
 * [Simon Ricaldone](https://github.com/simon-p-r)
 * [Stephan Gatzka](https://github.com/gatzka)
+* [tan-wei](https://github.com/tan-wei)
 * [Weston Schmidt](https://github.com/schmidtw)
 * [yangfl](https://github.com/yangfl)
 * [yuta-oxo](https://github.com/yuta-oxo)