4.2.0.32

• opencv-python: https://pypi.org/project/opencv-python/
• opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/
• opencv-python-headless: https://pypi.org/project/opencv-python-headless/
• opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV version 4.2.0.

Changes:

• macOS environment updated from xcode8.3 to xcode 9.4
• macOS uses now Qt 5 instead of Qt 4
• Nasm version updated to Docker containers
• multibuild updated

Fixes:

• don't use deprecated brew tap-pin, instead refer to the full package name when installing #267
• replace get_config_var() with get_config_vars() in setup.py #274
• add workaround for DLL errors in Windows Server #264