+ Switched to a new versioning system of `yyyy.mm.dd.version`
Backend (no change in functionality)
+ Switched to QSettings from configparser
+ [add_database.py](src/mysql_editor/add_database.py)
+ Renamed variables
+ Made AddDatabaseWindow.add() a Slot()
+ [query.py](src/mysql_editor/query.py)
+ Renamed variables and methods
+ Edited type annotations
+ [session.py](src/mysql_editor/session.py)
+ Renamed variables and methods
+ Update algorithm for renaming a session
+ Reordered methods
+ [window.py](src/mysql_editor/window.py)
+ Renamed variables and methods
+ Edited type annotations
+ Made table structure and table data their own classes in table_structure_view.py and table_data_view.py
respectively
+ Reformatted several parts
Frontend (functionality changes)
+ [session.py](src/mysql_editor/session.py)
+ Made it possible to rename sessions by double-clicking the entry
+ [window.py](src/mysql_editor/window.py)
+ Made it possible to rename tables by double-clicking the entry
+ Added a menu for added and dropping databases and dropping tables
+ Consequently removed those respective buttons
+ Made the table data detect datetime