Change log

• Updated to Python 3.11.3.
• Included Bode Diagram plot.
• Improved model code generation for Python.
• Changed model json structure. This will cause some backward compatibility issues, but it was necessary to allow news features in the future.
• Fixed model CTRL+C+CTRL+V.
• Fixed issue with Python text line focus.
• Fixed issue with closing wrong chart with context menu.
• Fixed issue with partially hiding last chart.
• fixed issue with clab.Array.tp_richcompare.
• Other minor bug-fixes and improvements.