update readme

xanpeng · xanpeng · commit 6582ade8083e · 2014-08-05T22:07:24.000+08:00
diff --git a/README.md b/README.md
@@ -1,6 +1,8 @@
 libgochannel
 ============
 
+*under development.*
+
 # About
 
 Code is based on https://github.com/ahorn/cpp-channel.
