Allow parsing of unknown arguments

See merge request 709/mentat/pyzenkit!9

(Fixes #1)

Update project documentation

See merge request 709/mentat/pyzenkit!7

Use multiple python versions for testing

See merge request 709/mentat/pyzenkit!5

Use nose2

See merge request 709/mentat/pyzenkit!4

Check deprecation warnings

See merge request 709/mentat/pyzenkit!3

CI/CD

See merge request 709/mentat/pyzenkit!2

CI/CD

See merge request 709/mentat/pyzenkit!1

It is not a number anymore, we need to format it as a string.

Format it as hex to mask it due to the fact that in case of PID files
the PID in file name is not the same as PID within the file. The reason
is the fact that the PID file name is determined before daemonization.

Alternative approach would be to change the daemonization library to be
able to generate the PID file name. This however would restrict the
library too much.

Make runlog file names more unique by adding PID

There are now several default initial events scheduled by default for
each daemon. Event handlers are now defined with simple macro-like
method to reduce possibilities of errors. There is an explicit 'start'
event, that will be fired by default and that can be used by daemon
components to perform necessary startup actions, schedule additional
initial events etc.

There was a posibility of zero division, which resulted in
exception and program termination.

The py:mod role does not exist on PyPI and the linter is throwing
errors, because it would not be correctly rendered to HTML.

Current version of unit tests needs redesign to be usable. I have
disabled them to make our automated build system work.

Better condition for ending with empty queue. This should fix occasional invalid daemon termination with some events still present in queue.