implements some str, fix implements selector, test and fixes

function moved to cwvreg

test and fix interface based objects cleaning

no more used

fix selectors argus

tell on which class the assertion's failed

add rtype compat

skip_relations is defined on FormMixIn

fix selector of EntityRelatedTab, next step is to find a way to avoid this kind of selector

each subclass of EntitySelector should call its __init__ method

fix score computation in implements()

fix compatibility class EntityAction: test for accepts() before has_condition()

cleanup

fix match_user_groups, appobject_selectable, searchstate_accept* compat selectors

kill Form, EntityForm and AnyRsetForm

some test fixes

use pytest now

update some imports

oops

merge

chainall / chainfirst ensures selectors are instantiated

instantiate selectors wherever needed

remove explicit access to .im_func when overriding `registered`

update import

fix test

kill vobject_helpver

some minor __select__ composition fixes

fix lltrace to consider __call__ and pure functions decoration

update import

update test for new test schema

no more extra schema necessary for tests here

unittest_entity ok

merge

remove dead code

oops

test upgrade

update imports

replaced most of __selectors__ assignments with __select__

fix selectors compat

updat etest

assert oid

better name for NormalizedTextView, drop ContentAddedMixIn

fix traced_selection

need safety belt for class registered twice (during test for instance)

__select__ is not a classmethod anymore, it's a pure function (or a Selector instance), we have to pass the class explicitly

get kwargs as well

ooooops

__selectors__ must return a tuple