…ype in module QtGui

…ption in module QtNetwork

…Flag in module QtWidgets

… in module QtCore

Note that QUrl.FormattingOptions has a very limited implementation.

…temModel.CheckIndexOption in module QtCore

Unreachable code is here by design, because the template is multipurpose.

Also make the code 3.6 compatible by using typing_extensions

Fix of all signals. Script to annotate signals automatically.

More qflags

Co-authored-by: Kyle Altendorf <sda@fstab.net>

Enable testing on macOS, and make them pass

Add tests for QSize + support division

Fix annotations for QTableWidget #151

# Conflicts:
#	CHANGELOG.md