Added tag 0.17.1 for changeset 29730ff3e43b

pkg: prepare 0.17.1

schedule/step: correct bug when the user is given to .prepare

We make argument passing between prepared call and its actual
invocation more clear. While doing so we note that the `domain` was
dispatched to the wrong place.

test: show error whith step() and scheduling defined by web-ui

Added tag 0.17.0 for changeset b7f31a97cf67

pkg: prepare 0.17

doc: typo

monitor/sched: fix a non obvious logic error

A combination of small _step and infrequent enough cron rule
could lead to a starvation of things to run (the runnable list
remains void forever).

cli/monitor: add a --vacuum parameter

The vaccuming of old tasks is now managed by the monitor itself.
Hence there is no need for a cron job to manage it.

use the `isodate` package to mange iso8601 durations

cli/vacuum: accept a --queued flag

This will permit to removed the queued tasks.

doc/readme: redirect to readthedocs

add a .readthedocs.yaml config file

doc: backport most of the readme into the sphinx doc

cli/monitor: restore the --debug-port switch

replace a number of .format calls with f-strings

api/freeze_operations: by default, reset the known operations

We use the `path` of collected operations to
perform the reset. This should cover most reasonnable
scenarios but not those where some operations have
been moved from one module to another.

replace imp.load_source with a new thing based on importlib

The builtin imp module has been deprecated for a long time
and is gone in Python 3.12.

api/freeze_operations: remove the domain_map feature

It has never been used.

doc/readme: update according to recent changes