fix: AttributeError: 'YumexInstallWindow' object has no attribute 'set_working'
fix: update test-cleanup Makefile tag to use the new git branch (master)
fix: dont refresh metadata, when running install from cmdline
fix: cleanup cmdline install code to work with dnf-daemon
fix: yumex-dnf --exit shoud close the DnfSystem DBus service also
fix: close yumex nicely on lock error