Set version to 1.0.0-beta1 for next release.

yfakariya · yfakariya · commit 5604b9cb95d9 · 2017-08-26T20:32:15.000+09:00
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -701,3 +701,5 @@ Release 0.9.0 2017-8-26
   * Fix enum serialization throws NullReferenceException in Unity. Issue #215.
   * Fix MessagePackSerializer.Capability does not work correctly in Unity.
   * Fix polymorphic serializer error in Unity.
+
+Release 1.0.0-beta1 T.B.D.
diff --git a/build/Version.txt b/build/Version.txt
@@ -1 +1 @@
-0.9.0
+1.0.0-beta1
