Version 0.5: 2018/04/05
  First beta release. 

Version 0.7: 2018/04/06
  Update documentation.

Version 1.0: 2018/04/11
  Stable release.

Version 1.1: 2018/07/17
  Added short test.

Version 1.2: 2018/07/17
  Fixes with MathJaxURL (via https for Github Pages).

Version 1.3: 2019/07/12
  Typographical corrections and documentation update.

Version 1.4: 2019/10/22
  Some minor fixes.
