All notable changes to this project will be documented in this file. The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
- Start using a Changelog.
- Added docstrings for all classes, methods and functions.
- Modified 'draw()' method to remove axes from the figure and make it square.
- Unnecessary attributes of QTree class ('element_numbers','element_nodes' and 'element_type').