clojure-mode-version was not updated for release of 5.6.0 #416
Description
Expected behavior
The variable clojure-mode-version should match the release number.
Actual behavior
The variable clojure-mode-version remains at 5.5.2 instead of 5.6.0.
Steps to reproduce the problem
This can be observed by inspection. See https://github.com/clojure-emacs/clojure-mode/blob/master/clojure-mode.el#L82
Environment & Version information
clojure-mode version information
clojure-mode (version 5.5.2)
Note that this is using the latest code from master.
Emacs version
Aquamacs 3.3 (based on GNU Emacs 25.1.1)
Operating system
macOS El Capitan