[gxml] Updated NEWS for 0.18.0 current master

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 4abd1993ca6fb047307aebd7bb5183aa08d8fa70
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Mar 20 10:49:06 2019 -0600

    Updated NEWS for 0.18.0 current master

 NEWS | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
---
diff --git a/NEWS b/NEWS
index ec9d453..e7261fe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,26 @@
+===============
+Version 0.18.0
+===============
+* Now all GomElement attributes are available from 'attributes' property,
+  this include basic and Object's implementing GomProperty
+* New CSS Selector machinery thanks to Yannick Inizan <inizan yannick gmail com>
+* New Meson setup, to allow GXml as a subproject
+* GomCollection's name renamed to convert them as default interfaces to implement
+* Deprecated TNode and derived classes
+* Deprecated Node and derived classes
+* Deprecated Serializable and derived classes
+* Fixes on Unit Tests
+* Updated translations:
+    Hungarian  by                Balázs Úr <balazs urbalazs hu>
+    Indonesian by                Kukuh Syafaat <kukuhsyafaat gnome org>
+    German     by                Tim Sabsch <tim sabsch com>
+    Spanish    by                Daniel Mustieles <daniel mustieles contractor bbva com>
+    Swedish    by                Anders Jonsson <anders jonsson norsjovallen se>
+    Brazilian  by                Rafael Fontenelle <rafaelff gnome org>
+    Czech      by                Marek Černocký <marek manet cz>
+    Polish     by                Piotr Drąg <piotrdrag gmail com>
+
+
 ===============
 Version 0.16.3
 ===============