Update version in *pkg.el file.

Thierry Volpiatto · Thierry Volpiatto · commit 5c614084810a · 2015-11-23T11:56:06.000+01:00
diff --git a/async-pkg.el b/async-pkg.el
@@ -1,6 +1,6 @@
 ;;; async-pkg.el
 
-(define-package "async" "1.4"
+(define-package "async" "1.6"
   "Asynchronous processing in Emacs"
   '((emacs "24")
     (cl-lib "0.5"))
