Fixed - Encoding issue occuring during installations on some systems - 'Invalid or unexistent files' error when importing json files
0.2.0
Changed - Logic of PySimpleGui UI is split from processing data - Working with trees using [AnyTree](https://pypi.org/project/anytree/2.8.0/) is much easier now - Import and export for nlu.json file is supported (2) - All code is formatted with [Black](https://black.readthedocs.io/en/stable/index.html)