Improve type hints. Run mypy in pipeline. Remove support for python 3.6 and 3.7.
Update tox with py39
Fixed SMTP connection problem
TOAMS-46: Sende epostvarsel ved manglende arkivering
TOAMS-50 Støtte vedlegg i Mailsender. List parameter bug fixed
TOAMS-50: Støtte vedlegg i Mailsender
Støtte vedlegg i Mailsender (TOAMS-50)
Possibility to define a specific list of email-addresses while sending a message.