[wing] Release 0.0.20

[Ignacio Casal Quinteiro <icq src gnome org>]

commit fee7f40436d13eba681861cc290e5ab62f380050
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Tue Aug 21 12:16:28 2018 +0200

    Release 0.0.20

 NEWS        | 4 ++++
 meson.build | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 2da28e8..f282326 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+News in 0.0.20
+--------------
+* Added support for read-only/write-only pipes
+
 News in 0.0.18
 --------------
 * Added support for device change notifications
diff --git a/meson.build b/meson.build
index c8abbf9..c19a301 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('wing', 'c',
-        version: '0.0.19',
+        version: '0.0.20',
         default_options: [
           'buildtype=debugoptimized',
           'warning_level=2'