Next ver2.0.0

[elerac]

Main new features✨

• Crete EasyPySpinWarning
• VideoCapture: add new methods setExceptionMode, set_pyspin_value, get_pyspin_value, grab and retrieve
• VideoCaptureEX: renew mergeHDR and readHDR methods
• MultipleVideoCapture: create new class
• SynchronizedVideoCapture: update class based on MultipleVideoCapture