v1.4.0, 02/05/2018 -- Removed pyfuzzy and ANTL3 dependencies.
v1.4.1, 02/05/2018 -- Fixed bug.
v1.4.5, 03/05/2018 -- Cleaning up code. Introduced new methods for fuzzy rules disabling. Initial support for logging.
v1.4.6, 14/05/2018 -- New logging functionalities.
v1.4.7, 17/05/2018 -- Fixed bug with default values in solve_with_fstpso() method.
v1.4.8, 21/05/2018 -- Simplified implementation, added new comments for optional arguments.