Deprecate html2text<3.200 and add it to requirements.
This is a light dependency and it is used by a great number of modules.

When the model is completely reset, any QModelIndex kept previously can
cause problems when accessing them.
QPersistentModelIndex should be used instead at least.

When clear() is called, instead of removing all rows, just reset the
model completely.

In Python3, weboob BaseObjects are unhashable, so they can't be used as
dict key.

weboob.tools.application.qt5.models.ResultsModel is changed to store
id() of objects as key instead of objects directly.

Some bad sites have links to upper-cased domains, or with explicit port
(while it's the default port), which forces URL instances to handle
explicitly those cases. Now, the URLs passed to open() are normalized
before being used.

fillobj can sometimes return a new object instead of filling the object
in place. In this case, _do_complete_obj did not see the new object.

d9b7f868 introduced a new callback
parameter but it did not use it

Some blogs have year menu with month entry, and some have all months
listed.

It make no sense to convert str to str

This prevents unsuspecting users giving their logs from being
impersonated.

Since is_here is called with all kwargs, we must add the same parameters than go()
to treat this parameter correctly.