2016-06-16 version 1.4.5
    * Added licence to project.clj (@raxod502 in PR #4)
    * Clojure 1.8.0

2014-04-02 version 1.4.4
    * Clojure 1.6
    * README.rst -> README.md

2013-02-20 version 1.4.3
    * Using protocols (thanks DerGuteMoritz)

2012-11-24 version 1.4.2
    * Clojure 1.4

2012-11-24 version 1.4.1
    * Fix file descriptor leak (thanks Craig Ludington)

2012-03-04 version 1.4.0
    * Remove reflections (thanks naitik!)

2011-10-03 version 1.3.0
    * Clojure 1.3.0
    * def ^:dynamic

2011-02-27 version 1.2.1
    * Fixed bug in signature padding
