Version 0.7 (2017-12-14)

   Use lark instead of parsley.

Version 0.6 (2017-05-20)

   Use parsley instead of parsimonious.

Version 0.5 (2017-04-22)

   Use parsimonious instead of grako.

Version 0.4 (2016-07-11)

   Use grako instead of PLY to compile EBNF to Python.

Version 0.3 (2014-06-22)

   Allow '&&', '||', ' AND ', ' and ', ' OR ', ' or ', 'NOT ' and 'not '.

Version 0.2 (2014-06-06)

   Ignore spaces.

Version 0.1 (2014-05-20)

   First release. Very simple grammar.