text: 1.0.6 / 2015-02-03
  ==================
  
  * use `npm test` instead of `make test` to run tests
  * clearer assertion messages when checking input
  
  
  1.0.5 / 2014-09-05
  ==================
  
  * add license to package.json
  
  1.0.4 / 2014-06-25
  ==================
  
   * corrected avoidance of timing attacks (thanks @tenbits!)
  
  1.0.3 / 2014-01-28
  ==================
  
   * [incorrect] fix for timing attacks
  
  1.0.2 / 2014-01-28
  ==================
  
   * fix missing repository warning
   * fix typo in test
  
  1.0.1 / 2013-04-15
  ==================
  
    * Revert "Changed underlying HMAC algo. to sha512."
    * Revert "Fix for timing attacks on MAC verification."
  
  0.0.1 / 2010-01-03
  ==================
  
    * Initial release
  