Change log

• Updated Python to version 3.9.12 (Windows only).
• Updated zlib to 1.2.12.
• Included feature that allows loading data directly from the clipboard: simply copy (Ctrl+C) the text with the values and open it using the button in the right panel.
• clab.TimeSeries operator[] returns tuple with x and y values.
• clab.Array has a new logical operator as member function.
• Other minor bug-fixes and improvements.