add force option to config file
Merge branch 'master' of github.com:mathiasertl/aptcron
add options for sending emails
set default mail  text
fix the no-update option
remove SEEN_CACHE if no new packages are available
add the --no-mail option
set all cli-args to config-file
force smtp-port to be int
switch to sending mail whenever possible
add pep8 config file
finer grained first line of the mail
catch any mail-related exceptions, print to stdout instead
implement starttls
update docs